# Things to do with kids in Contra Costa County, CA

> 53 upcoming family events and 11 places and ongoing programs in Contra Costa County, CA, in the San Francisco–Oakland–Fremont area. Listings whose address ZIP code is in this county (Census Bureau ZIP-to-county file). Dates and times are Pacific Time. Today is Sat, Oct 24.

Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Oct 24, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-10-24), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/san-francisco/counties/contra-costa-county-ca

## Events ahead

- [Autumn Open House Weekend at Black Diamond Mines](https://grassyknees.com/san-francisco/activities/autumn-open-house-weekend-at-black-diamond-mines--listing-f5c7aca9e36eddb6ff8f4945) — Sat, Oct 24 (+1 more date) · 10:00 AM · Greathouse Visitor Center, Black Diamond Mines Regional Preserve, Antioch · All ages · With admission · checked Oct 13. A fall open house weekend at Black Diamond Mines Regional Preserve in Antioch, where visitors learn the stories of the coal and sand miners who lived in these hills and explore…
- [Celebrate Diwali: Paint Your Own Ganesha or Diya (Dougherty Station Library)](https://grassyknees.com/san-francisco/activities/celebrate-diwali-paint-your-own-ganesha-or-diya-dougherty-station-libr--listing-0d02d9f638443f03bd6a97f0) — Sat, Oct 24 · 11:00 AM – 12:00 PM · Contra Costa County Library – Dougherty Station Library, San Ramon · Ages 3–12 · Free · checked Oct 16. Children ages 3 to 12 can celebrate the Festival of Lights at San Ramon's Dougherty Station Library with a hands-on art activity. Each participant paints and decorates their own…
- [Concord Police Department Trunk or Treat (5th Annual)](https://grassyknees.com/san-francisco/activities/concord-police-department-trunk-or-treat-5th-annual--listing-64d62e890fc4eeeb1587ff3a) — Sat, Oct 24 · 3:00 PM – 6:00 PM · Concord Police Department (front parking lot) · Free · checked Oct 16. The Concord Police Department and Concord Police Association host their fifth annual Trunk or Treat in the front parking lot of the police department on Galindo Street. Children…
- [Día de los Muertos Nicho Workshop (Martinez Library)](https://grassyknees.com/san-francisco/activities/dia-de-los-muertos-nicho-workshop-martinez-library--listing-c7fa72566d83591d72b36c6f) — Sat, Oct 24 · 1:00 PM – 3:00 PM · Contra Costa County Library – Martinez Library · All ages · Free · checked Oct 20. At this Martinez Library workshop, participants remember someone who has died by making a nicho — a traditional Mexican folk-art shadow box that holds a photo and other mementos…
- [Floating Pumpkin Patch at the Richmond Plunge](https://grassyknees.com/san-francisco/activities/floating-pumpkin-patch-at-the-richmond-plunge--listing-0387705ab7c8fee716126da2) — Sat, Oct 24 · 2:00 PM – 4:30 PM · Richmond Plunge · From $12 · checked Oct 13. The City of Richmond's Floating Pumpkin Patch at the historic Richmond Plunge pool is Saturday, October 24, 2026 with two one-hour sessions, 2:00–3:00 pm and 3:30–4:30 pm. Each…
- [Richmond Fall Festival at Nicholl Park](https://grassyknees.com/san-francisco/activities/richmond-fall-festival-at-nicholl-park--listing-6b926aa3fef2c2f5dd9e3f76) — Sat, Oct 24 · 12:00 PM – 2:00 PM · Nicholl Park, Richmond · Free · checked Oct 13. Richmond Community Services Recreation hosts a free Fall Festival at Nicholl Park on Saturday, October 24, 2026 from 12:00 to 2:00 PM. The city's listing promises a petting zoo…
- [Puppet Playtime at Big Break Visitor Center (Oakley)](https://grassyknees.com/san-francisco/activities/puppet-playtime-at-big-break-visitor-center-oakley--listing-a8a1caf662e54fd0482ffb65) — Sun, Oct 25 · 11:00 AM – 12:00 PM · Big Break Visitor Center at the Delta (Big Break Regional Shoreline), Oakley · Up to 5 · Free · checked Oct 20. A Sunday-morning nature storytelling program for children under 6 at the East Bay Regional Park District's Big Break Visitor Center on the Delta. From 11:00 to 11:45 AM children…
- [Pop-Up Playdate at the Pleasant Hill Community Center Playground](https://grassyknees.com/san-francisco/activities/pop-up-playdate-at-the-pleasant-hill-community-center-playground--listing-2d2dae284c9f177cd1e6fdb7) — Mon, Oct 26 · 10:00 AM – 12:00 PM · Pleasant Hill Community Center Playground · All ages · Free · checked Oct 24. Pleasant Hill Recreation & Park District staff bring organized games and activities to a park playground for a free two-hour morning of play. Families simply show up and join in…
- [Family Movie Night: Coco with Cocoa](https://grassyknees.com/san-francisco/activities/family-movie-night-coco-with-cocoa--listing-272ff9a3a221f74893fa674a) — Tue, Oct 27 · 6:00 PM – 7:30 PM · Contra Costa County Library – Pleasant Hill Library · All ages · Free · checked Oct 13. Watch Coco with hot cocoa at the Pleasant Hill Library and celebrate Día de Muertos. Families are encouraged to bring a 4x6 photocopy of a loved one to honor and decorate a frame…
- [Fratello Marionettes presents: Spooktacular!](https://grassyknees.com/san-francisco/activities/fratello-marionettes-presents-spooktacular--listing-5f514a892b9c1c6a8b7d04f0) — Tue, Oct 27 · 4:00 PM – 4:45 PM · Contra Costa County Library – Danville Library · All ages · Free · checked Oct 13. A family-friendly Halloween variety marionette show at the Danville Library featuring happy ghosts, Frankenstein, the Purple People Eater, a not-so-scary witch, a spider and…
- [Howl la la Boo! Halloween Celebration (Oakley Library)](https://grassyknees.com/san-francisco/activities/howl-la-la-boo-halloween-celebration-oakley-library--listing-1950906e7e7fe5712d3b3ba0) — Tue, Oct 27 · 6:00 PM – 7:30 PM · Contra Costa County Library – Oakley Library · All ages · Free · sold out when last checked · checked Oct 16. The Oakley Library's annual Howl la la Boo celebration invites families to come in costume for an evening of spooky arts and crafts, a Halloween story and games. It is free and…
- [Howl-ooo-ween 2026 at Lindsay Wildlife Experience](https://grassyknees.com/san-francisco/activities/howl-ooo-ween-2026-at-lindsay-wildlife-experience--listing-6c3451ba5a2b92dfc4c71cbb) — Tue, Oct 27 · 3:00 PM – 8:00 PM · Lindsay Wildlife Experience, Walnut Creek · From $20 · checked Oct 13. Lindsay Wildlife Experience's fall celebration for little ghouls, wizards and monsters returns on Tuesday, October 27, 2026, 3:00 – 8:00 pm in Walnut Creek. Come in costume and…
- [Día de los Muertos: Una Ofrenda Musical at Richmond's Auditorium Branch Library](https://grassyknees.com/san-francisco/activities/dia-de-los-muertos-una-ofrenda-musical-at-richmond-s-auditorium-branch--listing-20646369e2658e1f0b79b4b2) — Thu, Oct 29 · 3:00 PM – 4:30 PM · Richmond Public Library – Auditorium Branch Library (Temporary Civic Center) · checked Oct 16. Richmond Public Library invites families to build a community altar for 'nuestros muertitos' with music, dance and memories. The Bay Area ensemble Cascada de Flores leads an…
- [San Pablo City HALL-o-Ween](https://grassyknees.com/san-francisco/activities/san-pablo-city-hall-o-ween--listing-baba09df0180a25871654b14) — Thu, Oct 29 · 4:00 PM – 7:00 PM · San Pablo City Hall · checked Oct 16. San Pablo's annual City HALL-o-Ween takes over the City Hall campus on Gateway Avenue on the Thursday before Halloween. Children in costume can trunk-or-treat their way through…
- [The Moraga Library Great Pumpkin Challenge](https://grassyknees.com/san-francisco/activities/the-moraga-library-great-pumpkin-challenge--listing-8605abd623479034e47420f2) — Thu, Oct 29 · 4:00 PM – 5:00 PM · Contra Costa County Library – Moraga Library · All ages · Free · checked Oct 20. Part 2 of the Moraga Library's Great Pumpkin Challenge: families who planted pumpkins at the library's April program, or grew them from the seed library, bring their pumpkins in…
- [Halloween Baby Bash!](https://grassyknees.com/san-francisco/activities/halloween-baby-bash--listing-cfb589f594a1e9c4627aed0a) — Fri, Oct 30 · 11:00 AM – 7:30 PM · Contra Costa County Library – Pleasant Hill Library · All ages · Free · checked Oct 13. A Halloween celebration for the library's littlest patrons at Pleasant Hill Library: dress up in costume for a little reading and a lot of dancing. Best suited for children ages…
- [Crockett's Halloween Hullabaloo](https://grassyknees.com/san-francisco/activities/crockett-s-halloween-hullabaloo--listing-812daca9e54f7effe85ff47a) — Sat, Oct 31 · 12:00 PM – 4:00 PM · Contra Costa County Library – Crockett Library · All ages · Free · checked Oct 13. Halloween afternoon at the Crockett Library with ghoulish games, creepy crafts and a spooky seek-and-find. Anyone in costume, big or small, earns a piece of candy. Listed for all…
- [Richmond Día de los Muertos (Day of the Dead) Celebration](https://grassyknees.com/san-francisco/activities/richmond-dia-de-los-muertos-day-of-the-dead-celebration--listing-4713588bd917a227e3784f5d) — Sat, Oct 31 · 11:00 AM – 12:30 PM · Richmond Memorial Auditorium and Convention Center · From $15 · checked Oct 13. The City of Richmond hosts a Día de los Muertos celebration on Saturday, October 31, 2026 from 11:00 AM to 12:30 PM at the Richmond Memorial Auditorium. The city describes an…
- [Trick or Treat at the Pittsburg Library](https://grassyknees.com/san-francisco/activities/trick-or-treat-at-the-pittsburg-library--listing-919e316aeff291f70101c202) — Sat, Oct 31 · Contra Costa County Library – Pittsburg Library · All ages · Free · checked Oct 20. On Halloween the Pittsburg Library invites children to stop by in costume, show it off to library staff and pick up a treat. The program is sponsored by the Friends of the…
- [Diwali: Stories, Dance, and Celebration (Moraga Library)](https://grassyknees.com/san-francisco/activities/diwali-stories-dance-and-celebration-moraga-library--listing-f1e701c1dc378929887e3bc1) — Fri, Nov 6 · 2:00 PM – 3:00 PM · Contra Costa County Library – Moraga Library · Free · checked Oct 16. Priya Narayana of Laya Arts Collective visits the Moraga Library to introduce Diwali through interactive storytelling, classical Indian movement and abhinaya, the expressive…
- [Kids Night Out (Danville, ages 5–10)](https://grassyknees.com/san-francisco/activities/kids-night-out-danville-ages-5-10--listing-d6a31966f9b56d31bd76912e) — Fri, Nov 6 · 6:30 PM – 10:00 PM · Valley Oak Room (Town of Danville) · Ages 5–10 · checked Oct 16. Town of Danville recreation staff run a Friday-evening drop-off night for children ages 5 to 10 in the Valley Oak Room on Front Street, so parents can have an evening out. The…
- [Big Break Homeschool: Delta Science Outdoors (Oakley)](https://grassyknees.com/san-francisco/activities/big-break-homeschool-delta-science-outdoors-oakley--listing-836f9d739343cd2ae9f5202a) — Mon, Nov 9 (+1 more date) · 10:00 AM · Big Break Visitor Center at the Delta (Big Break Regional Shoreline), Oakley · Ages 5–12 · Free · checked Oct 20. A monthly outdoor science session from the East Bay Regional Park District for home-schooled children aged 5 to 12. Families take their learning outside to explore environmental…
- [Tiny Tuesday at Lindsay Wildlife Experience](https://grassyknees.com/san-francisco/activities/tiny-tuesday-at-lindsay-wildlife-experience--listing-0f9ab31724cd13dc76228f75) — Tue, Nov 10 (+1 more date) · 10:00 AM – 12:00 PM · Lindsay Wildlife Experience, Walnut Creek · Ages 2–5 · From $10 · checked Oct 16. Once a month Lindsay Wildlife Experience in Walnut Creek opens outside regular hours for children ages 2 to 5 and their adult caregivers. Each Tiny Tuesday has a theme: November…
- [Art Fun with Ms. Debbie: Forest Friends' Thanksgiving (Danville)](https://grassyknees.com/san-francisco/activities/art-fun-with-ms-debbie-forest-friends-thanksgiving-danville--listing-5b45e3df61526893ca0232ab) — Fri, Nov 13 · 3:45 PM – 5:15 PM · The Cottage at Hap Magee Ranch Park, Danville · Up to 10 · sold out when last checked · checked Oct 16. An after-school Thanksgiving art class at The Cottage at Hap Magee Ranch Park in Danville. Young artists bring woodland animals together for a Thanksgiving celebration, using…
- [Hercules Library 20th Anniversary Party!](https://grassyknees.com/san-francisco/activities/hercules-library-20th-anniversary-party--listing-95f29a3478001d3edb9697e0) — Sat, Nov 14 · 1:00 PM – 3:00 PM · Contra Costa County Library – Hercules Library · All ages · Free · checked Oct 13. The Hercules Library celebrates 20 years with an afternoon of face painting, temporary airbrush tattoos, balloon twisting, Bubble Sam's bubble show at 1:30pm, a DJ playing…
- [Winnie the Pooh Puppet Show (Crockett Library)](https://grassyknees.com/san-francisco/activities/winnie-the-pooh-puppet-show-crockett-library--listing-7461dfe6e25324d898ae4902) — Sat, Nov 14 · 11:30 AM – 12:30 PM · Contra Costa County Library – Crockett Library · Free · checked Oct 16. The Crockett Library invites families back to the Hundred Acre Wood for another puppet show by library friends Lisa Dwiggins and Rena Cutright, this time featuring Winnie the…
- [Stepping into STEM: Astronomy Workshop for Grades 3–8 (Lafayette Library)](https://grassyknees.com/san-francisco/activities/stepping-into-stem-astronomy-workshop-for-grades-3-8-lafayette-library--listing-7f2f85150829c7e406aeb25b) — Tue, Nov 17 · 4:30 PM – 5:30 PM · Contra Costa County Library – Lafayette Library and Learning Center · Free · checked Oct 16. An hour-long astronomy workshop for kids in grades 3 to 8, led by high school students from the Stepping Into STEM initiative, which aims to introduce younger students to unusual…
- [Out in the Tules with East Bay Regional Park District (Oakley Library)](https://grassyknees.com/san-francisco/activities/out-in-the-tules-with-east-bay-regional-park-district-oakley-library--listing-eb1425db9b45f2a1caf5a342) — Wed, Nov 18 · 4:30 PM – 5:30 PM · Contra Costa County Library – Oakley Library · All ages · Free · checked Oct 24. For Native American Heritage Month, an East Bay Regional Park District naturalist visits the Oakley Library to show how the Ohlone and Bay Miwok peoples lived with the marshes of…
- [Richmond Annual Tree Lighting](https://grassyknees.com/san-francisco/activities/richmond-annual-tree-lighting--listing-784434d56bedcf2abaa5de83) — Wed, Nov 18 · 5:30 PM – 6:30 PM · Richmond Memorial Auditorium and Convention Center · Free · checked Oct 16. The City of Richmond kicks off the holiday season with its annual tree lighting at the Richmond Memorial Auditorium. The hour-long evening includes festive holiday music, a cozy…
- [The Discovery of K-pop: Storytime and Drawing with Oliver Chin (Walnut Creek Library)](https://grassyknees.com/san-francisco/activities/the-discovery-of-k-pop-storytime-and-drawing-with-oliver-chin-walnut-c--listing-997992676a5a4949e6688697) — Thu, Nov 19 · 4:00 PM – 4:45 PM · Contra Costa County Library – Walnut Creek Library · Free · checked Oct 20. Children's author Oliver Chin reads from his new picture book, The Discovery of K-pop, at the Walnut Creek Library and explains how South Korean popular music became a global…
- [Nitro Turkey Thanksgiving Trail Run and Little Turkeys Kids Race (Point Pinole)](https://grassyknees.com/san-francisco/activities/nitro-turkey-thanksgiving-trail-run-and-little-turkeys-kids-race-point--listing-f475013563721011253aaf57) — Thu, Nov 26 · 8:45 AM · Point Pinole Regional Shoreline, Richmond · Up to 10 · With admission · checked Oct 20. Brazen Racing's Thanksgiving morning trail race at Point Pinole Regional Shoreline offers a 5K and a 10K on mostly fire-road loops with bay views, plus the Little Turkeys Race…
- [50th Annual Lighting of the Old Oak Tree — Danville](https://grassyknees.com/san-francisco/activities/50th-annual-lighting-of-the-old-oak-tree-danville--listing-03d87a5a8d56bfe7f8ab7df8) — Fri, Nov 27 · 5:00 PM – 8:00 PM · Historic Downtown Danville (Old Oak Tree) · checked Oct 20. Danville's longest-running holiday tradition turns 50 this year. The evening starts at the Old Oak Tree at Hartz and Prospect Avenues in Historic Downtown Danville, where the…
- [Green Friday at the Black Diamond Mines Greathouse Visitor Center](https://grassyknees.com/san-francisco/activities/green-friday-at-the-black-diamond-mines-greathouse-visitor-center--listing-0cdf8e3dd20ccf869a78bb84) — Fri, Nov 27 · 10:00 AM · Black Diamond Mines Regional Preserve – Greathouse Visitor Center, Antioch · All ages · With admission · checked Oct 16. On the day after Thanksgiving, the Park District's Green Friday invites families outdoors instead of to the mall. At Black Diamond Mines Regional Preserve, the underground…
- [Diablo Ballet Nutcracker Market](https://grassyknees.com/san-francisco/activities/diablo-ballet-nutcracker-market--listing-a43cfd54e5618a47213e6e91) — Wed, Dec 2 · 5:30 PM – 8:30 PM · Diablo Ballet Center for Dance, Walnut Creek · Free · checked Oct 16. A free evening holiday market at the Diablo Ballet Center for Dance in Walnut Creek, billed as a night of family fun and holiday cheer. Local artisans and vendors sell…
- [Wild Wednesday Preschool: Wetlands and Waterways at Lindsay Wildlife](https://grassyknees.com/san-francisco/activities/wild-wednesday-preschool-wetlands-and-waterways-at-lindsay-wildlife--listing-87ab75a5f940963098b713db) — Wed, Dec 2 (+2 more dates) · 10:30 AM – 11:30 AM · Lindsay Wildlife Experience, Walnut Creek · Ages 3–5 · From $30 · checked Oct 16. A three-part preschool workshop series about water-loving animals at Lindsay Wildlife Experience in Walnut Creek, for children 3 to 5 with a caregiver. The themes are Fishing on…
- [Holiday Parade of Lights & Tree Lighting at Broadway Plaza](https://grassyknees.com/san-francisco/activities/holiday-parade-of-lights-and-tree-lighting-at-broadway-plaza--listing-116e0055da1ef76ca2ba614d) — Thu, Dec 3 · 6:00 PM – 8:30 PM · Broadway Plaza, Walnut Creek · checked Oct 16. Broadway Plaza in downtown Walnut Creek opens the holiday season with its Parade of Lights, an evening of music, entertainment and holiday cheer that moves throughout the outdoor…
- [Breakfast with Santa — Pleasant Hill](https://grassyknees.com/san-francisco/activities/breakfast-with-santa-pleasant-hill--listing-cea2624f4964f3f64426a1de) — Sat, Dec 5 · Pleasant Hill Senior Center (Chateau Room) · Paid · checked Oct 24. Pleasant Hill Recreation & Park District hosts a sit-down holiday breakfast with Santa in the Chateau Room of the Pleasant Hill Senior Center. Families eat a breakfast of…
- [Holiday Delites Celebration and Parade — Antioch](https://grassyknees.com/san-francisco/activities/holiday-delites-celebration-and-parade-antioch--listing-10b3fa0e03bbbbe3169a64d5) — Sat, Dec 5 · 1:00 PM – 7:30 PM · Historic Rivertown, Downtown Antioch (W 2nd Street across from City Hall) · All ages · Free · checked Oct 24. Antioch's yearly holiday festival fills historic Rivertown, the old downtown on the Delta waterfront, with an afternoon of family activities followed by an evening parade. The…
- [The Three Billy Goats Gruff (Holiday Edition) with Crafts — Dougherty Station Library](https://grassyknees.com/san-francisco/activities/the-three-billy-goats-gruff-holiday-edition-with-crafts-dougherty-stat--listing-9ed3d5e838fffb7a4c04ca4b) — Sat, Dec 5 · 1:00 PM – 2:30 PM · Contra Costa County Library – Dougherty Station Library, San Ramon · Free · checked Oct 20. A holiday version of the classic folk tale at the Dougherty Station Library in San Ramon. In this staging, three billy goats — Little Billy, his older sister Brittany and their…
- [64th Annual Holiday Arts Festival – Richmond Art Center](https://grassyknees.com/san-francisco/activities/64th-annual-holiday-arts-festival-richmond-art-center--listing-d285b757af581b9714c2e681) — Sun, Dec 6 · 10:00 AM – 4:00 PM · Richmond Art Center · Free · checked Oct 13. Richmond Art Center's largest annual event and a long-standing local tradition: a free holiday festival on Sunday December 6, 2026, 10am–4pm, showcasing more than 50 local…
- [Mini Miners: Wild Winter Wear at Black Diamond Mines](https://grassyknees.com/san-francisco/activities/mini-miners-wild-winter-wear-at-black-diamond-mines--listing-2e422a32a91142cccc09614a) — Tue, Dec 8 · 10:00 AM · Black Diamond Mines Regional Preserve – Upper Parking Lot, Antioch · Ages 2–5 · checked Oct 16. Mini Miners is a monthly outdoor morning for children ages 2 to 5 at Black Diamond Mines Regional Preserve near Antioch. December's theme, Wild Winter Wear, looks at how animals…
- [The Puppet Company: The Nutcracker (Danville Library)](https://grassyknees.com/san-francisco/activities/the-puppet-company-the-nutcracker-danville-library--listing-d3f31ad745a456865d8a6ebd) — Tue, Dec 8 · 4:00 PM – 4:45 PM · Contra Costa County Library – Danville Library · Free · checked Oct 16. The Puppet Company brings its puppet version of The Nutcracker to the Danville Library for a 45-minute after-school show. Young Clara rescues her toy Nutcracker from the evil…
- [Center REP: A Christmas Carol (Lesher Center for the Arts)](https://grassyknees.com/san-francisco/activities/center-rep-a-christmas-carol-lesher-center-for-the-arts--listing-4df3c16403cb055088917b5d) — Dec 9 – Dec 23 · Lesher Center for the Arts, Walnut Creek · Paid · checked Oct 20. Center REP's holiday production of A Christmas Carol returns to the Lesher Center for the Arts in downtown Walnut Creek for a two-week run before Christmas. This adaptation by…
- [Winter Fest — Pleasant Hill](https://grassyknees.com/san-francisco/activities/winter-fest-pleasant-hill--listing-d2f183a34379e3e7479e7f20) — Wed, Dec 9 · 5:00 PM – 8:00 PM · Pleasant Hill Community Center · All ages · Free · checked Oct 24. Pleasant Hill Recreation & Park District's free WinterFest turns the Community Center into an evening holiday fair for families. Children can ride a small Polar Express train…
- [Fratello Marionettes: The North Pole Review (Concord Library)](https://grassyknees.com/san-francisco/activities/fratello-marionettes-the-north-pole-review-concord-library--listing-90e1f576e200d6e56f1ffe9d) — Mon, Dec 14 · 4:00 PM – 5:00 PM · Contra Costa County Library – Concord Library · All ages · Free · checked Oct 20. The Fratello Marionettes bring their holiday marionette revue, The North Pole Review, to the Concord Library for a one-hour afternoon show. The Contra Costa County Library…
- [Fratello Marionettes: The North Pole Review (Walnut Creek Library)](https://grassyknees.com/san-francisco/activities/fratello-marionettes-the-north-pole-review-walnut-creek-library--listing-2ceefb2f0968927f95c424d7) — Thu, Dec 17 · 4:00 PM – 5:00 PM · Contra Costa County Library – Walnut Creek Library · All ages · Free · checked Oct 20. Fratello Marionettes' winter show, The North Pole Review, plays the downtown Walnut Creek Library one week before winter break. The library's listing describes a music-based…
- [Snow Day at Nicholl Park — Richmond](https://grassyknees.com/san-francisco/activities/snow-day-at-nicholl-park-richmond--listing-8773a32fac01df9d70511af0) — Mon, Dec 21 · 10:00 AM – 3:00 PM · Nicholl Park, Richmond · Free · checked Oct 20. Richmond's Community Services–Recreation department brings snow to Nicholl Park for a free winter-break play day. The city describes a day of music, games and "snowy adventures"…
- [Seasonal Wreaths drop-in craft at Tilden Nature Area](https://grassyknees.com/san-francisco/activities/seasonal-wreaths-drop-in-craft-at-tilden-nature-area--listing-d3d51d15b59fd2cecdc3d068) — Wed, Dec 23 · 10:00 AM · Tilden Nature Area – Environmental Education Center & Little Farm, Berkeley · All ages · checked Oct 13. Using found natural materials from around the Tilden Nature Area, create a fragrant, festive seasonal wreath to decorate your home. Wreath-making materials are provided. Meet in…
- [Rainy Day Science at Big Break](https://grassyknees.com/san-francisco/activities/rainy-day-science-at-big-break--listing-d1baa3b4db1758893a9cf81e) — Mon, Dec 28 · 11:00 AM · Big Break Visitor Center at the Delta, Oakley · All ages · Free · checked Oct 16. During winter break, the Big Break Visitor Center at the Delta in Oakley hosts a family science session to close out the year. The projects are inspired by water and the region's…
- [Wild Winter Camp at Lindsay Wildlife Experience](https://grassyknees.com/san-francisco/activities/wild-winter-camp-at-lindsay-wildlife-experience--listing-aa69103f44ee8b72accacb03) — Dec 28 – Dec 30 · 9:00 AM – 12:30 PM · Lindsay Wildlife Experience, Walnut Creek · Ages 7–12 · From $200 · checked Oct 16. A three-morning winter-break camp (Monday–Wednesday, December 28–30) for ages 7 to 12 at Lindsay Wildlife Experience in Walnut Creek. Campers learn how wildlife copes with short…
- [New Year's Eve Silly Circus Show (Martinez Library)](https://grassyknees.com/san-francisco/activities/new-year-s-eve-silly-circus-show-martinez-library--listing-90fa483d2a992c5232284776) — Thu, Dec 31 · 3:00 PM – 3:45 PM · Contra Costa County Library – Martinez Library · All ages · Free · checked Oct 16. Welcome 2027 early with the Silly Circus Show at the Martinez Library on New Year's Eve afternoon. Performer Bri Crabtree brings twenty years of circus arts experience…
- [Noon Year's Eve Storytime with Clifford (Lafayette Library)](https://grassyknees.com/san-francisco/activities/noon-year-s-eve-storytime-with-clifford-lafayette-library--listing-b577cbf7f1dcde25aad0d672) — Thu, Dec 31 · 11:30 AM – 1:00 PM · Contra Costa County Library – Lafayette Library and Learning Center · Free · checked Oct 16. A New Year's Eve storytime for little ones who won't make it to midnight, held in the Don Tatzin Community Hall at the Lafayette Library and Learning Center. Families read…
- [Stuffed Animal Sleepover Storytime (Lafayette Library)](https://grassyknees.com/san-francisco/activities/stuffed-animal-sleepover-storytime-lafayette-library--listing-4dd6695741723c1c02cb2c84) — Tue, Jan 12 · 5:30 PM – 6:30 PM · Contra Costa County Library – Lafayette Library and Learning Center · Ages 3–9 · Free · checked Oct 16. To mark Picture Book Month, children bring a favorite stuffed animal to an evening storytime at the Lafayette Library, make a craft and a name tag for their fuzzy friend, and…

## Places and ongoing programs

- [Big Break Littles (nature before nap time) at Big Break Visitor Center](https://grassyknees.com/san-francisco/activities/big-break-littles-nature-before-nap-time-at-big-break-visitor-center--listing-e1b483ffb2d7bbdf417b0d26) — Monthly, two consecutive mornings: Nov 2 & 3, Dec 7, 2026, 10:00 AM · Big Break Visitor Center at the Delta, Big Break Regional Shoreline, Oakley · Free · checked Oct 13. A free drop-in nature program for children under 6 and their grown-ups at the Big Break Visitor Center at the Delta in Oakley: 'nature before nap time'. The same program runs on…
- [Coal Mine Experience at Black Diamond Mines](https://grassyknees.com/san-francisco/activities/coal-mine-experience-at-black-diamond-mines--listing-51bfa5bb0b10298294ed9a24) — Weekend sessions (e.g. Sat Nov 7 at 10:30, 11:30 and 1:30; Sun Nov 8 at 10:30) – book… · Black Diamond Mines Regional Preserve – Greathouse Visitor Center, Antioch · Ages 7+ · From $3 · checked Oct 16. A self-paced underground walk inside the Greathouse Visitor Center mine at Black Diamond Mines Regional Preserve, once home to the most productive coal mines in California…
- [Golden State Model Railroad Museum (Point Richmond)](https://grassyknees.com/san-francisco/activities/golden-state-model-railroad-museum-point-richmond--listing-e04913ec4e76959ed2c5f301) — April–December: Sundays 12 noon–4 pm (Oct–Dec) / 12–5 pm (Apr–Sep) with trains running… · Golden State Model Railroad Museum, Point Richmond · From $3 · checked Oct 20. A volunteer-run museum of operating model trains in a 10,000-square-foot building at Miller/Knox Regional Shoreline in Point Richmond. Detailed O, HO and N scale layouts recreate…
- [Good Night Farm at Tilden Little Farm (Fri–Sun 3:30 PM)](https://grassyknees.com/san-francisco/activities/good-night-farm-at-tilden-little-farm-fri-sun-3-30-pm--listing-bbf4cadcd76c3970457b368b) — Fridays, Saturdays and Sundays at 3:30 PM (listed Oct 16–Dec 19, 2026) · Little Farm, Tilden Nature Area – Environmental Education Center & Little Farm, Berkeley · All ages · Free · checked Oct 13. Help the naturalist staff close the Little Farm for the night: meet the farm residents, learn what they eat and bring them their evening meal provided by the farmer (food is…
- [KidStrong Walnut Creek weekly classes (crawling to age 11)](https://grassyknees.com/san-francisco/activities/kidstrong-walnut-creek-weekly-classes-crawling-to-age-11--listing-694f1a4f3e07e788ec94feb8) — Weekly 45-minute classes; times in the center's schedule/app · KidStrong Walnut Creek · Up to 11 · Paid · checked Oct 13. KidStrong Walnut Creek runs parent-involved, science-based classes that build physical, brain and character skills, with age groups BabyStrong (crawling to walking), Walking to 2…
- [Lindsay Wildlife Experience](https://grassyknees.com/san-francisco/activities/lindsay-wildlife-experience--listing-a9e97fd39ddf42c5192c340c) — Wednesdays – Sundays, 10:00 a.m. to 5:00 p.m.; closed Thanksgiving Day, Christmas Day… · Lindsay Wildlife Experience, Walnut Creek · From $17 · checked Oct 13. Lindsay Wildlife Experience in Walnut Creek's Larkey Park is a wildlife museum and rehabilitation hospital where visitors meet non-releasable native California animals and watch…
- [Tilden Nature Area: Little Farm and Environmental Education Center](https://grassyknees.com/san-francisco/activities/tilden-nature-area-little-farm-and-environmental-education-center--listing-de03059442f80059cb7653a8) — Little Farm: open during regular park hours (daily). EEC: Tue–Sun 10am–4:30pm. · Tilden Nature Area – Environmental Education Center & Little Farm, Berkeley · All ages · Free · checked Oct 13. The Tilden Nature Area in the Berkeley hills includes the historic Little Farm (built 1955, with cows, sheep, goats, rabbits, chickens and pigs), the Environmental Education…
- [Tilden Park Merry-Go-Round](https://grassyknees.com/san-francisco/activities/tilden-park-merry-go-round--listing-bdb9b4c0d16a8d82f2c88c1c) — Fridays 11am–5pm; Saturday–Sunday 11am–5:30pm (fall 2026 sheet); check holiday hours at… · Tilden Park Merry-Go-Round, Berkeley · All ages · From $4 · checked Oct 13. A historic carousel in Tilden Regional Park near Lake Anza, with hand-carved animals, a concession stand, restrooms and parking. EBRPD's venue page lists fees of $4.00 per ride…
- [Tilden Steam Train (Redwood Valley Railway)](https://grassyknees.com/san-francisco/activities/tilden-steam-train-redwood-valley-railway--listing-dd2c4732d2b55b420299e2c4) — Saturday–Sunday 11am–6pm (fall 2026 sheet, weather permitting); winter schedule not… · Tilden Steam Train (Redwood Valley Railway), Orinda · All ages · From $5 · checked Oct 13. A 15-inch-gauge steam railroad in Tilden Regional Park's south end, operated by the Redwood Valley Railway concession, with a scenic loop through the hills. Per EBRPD's Tilden…
- [Tilden Tots / Tilden Tots on the Farm](https://grassyknees.com/san-francisco/activities/tilden-tots-tilden-tots-on-the-farm--listing-15e95fc4a14410dfa6d96289) — Listed Wednesdays Oct 14, Nov 18, Dec 16, 2026 at 10:30 AM · Tilden Nature Area – Environmental Education Center & Little Farm, Berkeley · Free · checked Oct 13. A drop-in nature program for the littlest ones at the Tilden Nature Area: do an activity, meet some animals and listen along to a story. Meet outside the Environmental Education…
- [Walnut Creek on Ice – outdoor rink and ice slide at Civic Park](https://grassyknees.com/san-francisco/activities/walnut-creek-on-ice-outdoor-rink-and-ice-slide-at-civic-park--listing-3f750df2f562d465e8f58e3a) — November 20, 2026 – January 18, 2027; 90-minute sessions, see online calendar for… · Civic Park, Walnut Creek · From $20 · checked Oct 13. Walnut Creek on Ice returns to Civic Park in downtown Walnut Creek from November 20, 2026 through January 18, 2027, billed as the Bay Area's only outdoor ice rink and ice slide…

## Recently ended

- [Hike and Storytime at Tilden Nature Area](https://grassyknees.com/san-francisco/activities/hike-and-storytime-at-tilden-nature-area--listing-354635226b4401844463749b) — ended Thu, Oct 22
- [Spooktacular Celebration (Town of Danville)](https://grassyknees.com/san-francisco/activities/spooktacular-celebration-town-of-danville--listing-1006f1a951548e64f528b716) — ended Thu, Oct 22
- [Naturalist Club at Big Break Visitor Center](https://grassyknees.com/san-francisco/activities/naturalist-club-at-big-break-visitor-center--listing-e5aeaf6b9fb1874da3e3fc31) — ended Wed, Oct 21
- [Krav Maga Workshop](https://grassyknees.com/san-francisco/activities/krav-maga-workshop--listing-4ca00a6e1ec3caad20c723ca) — ended Sun, Oct 18
- [Preschool Performance: Magician Brian Scott at the Village Theatre (Danville)](https://grassyknees.com/san-francisco/activities/preschool-performance-magician-brian-scott-at-the-village-theatre-danv--listing-fa8dc760e9293a7bcb8b33ae) — ended Sat, Oct 17
- [Alan the Amazing's STEAM Show! (Science, Technology, Engineering, and Magic)](https://grassyknees.com/san-francisco/activities/alan-the-amazing-s-steam-show-science-technology-engineering-and-magic--listing-4f6d6739c2f3891ac6f2c691) — ended Wed, Oct 14

## Nearby

- Towns in Contra Costa County, CA: [Berkeley, CA](https://grassyknees.com/san-francisco/towns/berkeley-ca) (Markdown: https://grassyknees.com/san-francisco/towns/berkeley-ca.md), [Walnut Creek, CA](https://grassyknees.com/san-francisco/towns/walnut-creek-ca) (Markdown: https://grassyknees.com/san-francisco/towns/walnut-creek-ca.md), [Richmond, CA](https://grassyknees.com/san-francisco/towns/richmond-ca) (Markdown: https://grassyknees.com/san-francisco/towns/richmond-ca.md), [Oakley, CA](https://grassyknees.com/san-francisco/towns/oakley-ca) (Markdown: https://grassyknees.com/san-francisco/towns/oakley-ca.md), [Antioch, CA](https://grassyknees.com/san-francisco/towns/antioch-ca) (Markdown: https://grassyknees.com/san-francisco/towns/antioch-ca.md), [Danville, CA](https://grassyknees.com/san-francisco/towns/danville-ca) (Markdown: https://grassyknees.com/san-francisco/towns/danville-ca.md), [Lafayette, CA](https://grassyknees.com/san-francisco/towns/lafayette-ca) (Markdown: https://grassyknees.com/san-francisco/towns/lafayette-ca.md), [Pleasant Hill, CA](https://grassyknees.com/san-francisco/towns/pleasant-hill-ca) (Markdown: https://grassyknees.com/san-francisco/towns/pleasant-hill-ca.md), [Hercules, CA](https://grassyknees.com/san-francisco/towns/hercules-ca) (Markdown: https://grassyknees.com/san-francisco/towns/hercules-ca.md), [Concord, CA](https://grassyknees.com/san-francisco/towns/concord-ca) (Markdown: https://grassyknees.com/san-francisco/towns/concord-ca.md), [Martinez, CA](https://grassyknees.com/san-francisco/towns/martinez-ca) (Markdown: https://grassyknees.com/san-francisco/towns/martinez-ca.md), [San Ramon, CA](https://grassyknees.com/san-francisco/towns/san-ramon-ca) (Markdown: https://grassyknees.com/san-francisco/towns/san-ramon-ca.md)
- [Things to do with kids in San Francisco](https://grassyknees.com/san-francisco) (Markdown: https://grassyknees.com/san-francisco.md)
- [This weekend in San Francisco](https://grassyknees.com/san-francisco/this-weekend) (Markdown: https://grassyknees.com/san-francisco/this-weekend.md)

Town pages are listed once a town has 3 current listings, county pages at 10.