# Things to do with kids in Derry, PA

> 2 upcoming family events and 1 places and ongoing programs in Derry, PA (Westmoreland County, PA), in the Pittsburgh area. Listings whose address is in this town. Dates and times are Eastern 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/pittsburgh/towns/derry-pa

## Events ahead

- [History Hike for Keystone State Park's 81st Birthday](https://grassyknees.com/pittsburgh/activities/history-hike-for-keystone-state-park-s-81st-birthday--listing-4689ca8b7e1a0b2e8c9e78a1) — Fri, Oct 30 · 11:00 AM – 12:00 PM · Keystone State Park, Derry · checked Oct 20. Keystone State Park celebrates its 81st birthday with an easy guided walk of about two miles on the Lakeside Loop, during which a park educator tells how Keystone got its name…
- [Witches Paddle at Keystone State Park](https://grassyknees.com/pittsburgh/activities/witches-paddle-at-keystone-state-park--listing-0916a12418e2fc11bc479163) — Sat, Oct 31 · 11:00 AM – 1:00 PM · Keystone State Park – Beach Boat Launch, Derry · Free · checked Oct 24. Keystone State Park marks Halloween with a costumed paddle on Keystone Lake: participants are invited onto the water dressed in their best witch costume. The group launches from…

## Places and ongoing programs

- [Keystone State Park](https://grassyknees.com/pittsburgh/activities/keystone-state-park--listing-5612323d1217f3a94fa6d6f0) — Open every day of the year, sunrise to sunset; day use areas close at dusk. · Keystone State Park, Derry · All ages · checked Oct 14. A 1,200-acre Westmoreland County state park suited to day trips and family vacations year-round, with camping, modern cabins, many trails and a lake within walking distance for…

## Nearby

- [Things to do with kids in Westmoreland County, PA](https://grassyknees.com/pittsburgh/counties/westmoreland-county-pa) (Markdown: https://grassyknees.com/pittsburgh/counties/westmoreland-county-pa.md)
- Other towns in Westmoreland County, PA: [Greensburg, PA](https://grassyknees.com/pittsburgh/towns/greensburg-pa) (Markdown: https://grassyknees.com/pittsburgh/towns/greensburg-pa.md), [Irwin, PA](https://grassyknees.com/pittsburgh/towns/irwin-pa) (Markdown: https://grassyknees.com/pittsburgh/towns/irwin-pa.md)
- [Things to do with kids in Pittsburgh](https://grassyknees.com/pittsburgh) (Markdown: https://grassyknees.com/pittsburgh.md)
- [This weekend in Pittsburgh](https://grassyknees.com/pittsburgh/this-weekend) (Markdown: https://grassyknees.com/pittsburgh/this-weekend.md)

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