# Monster Mash

> Event for families in the Denver–Aurora–Centennial area (CO). Times are Mountain Time.

- When: Sat, Oct 31 · 2:00 PM
- Where: Golden History Museum & Park, 923 10th Street, Golden, CO 80401
- Ages: Kids
- Price: Free
- Status: Ended (last date Sat, Oct 31).
- Organizer: Golden History Museum & Park
- Official page: https://www.visitgolden.com/event/monster-mash/
- Last checked: Fri, Oct 30

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 Nov 2, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-11-01), 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/denver/activities/monster-mash--listing-e3e90f85b86500524c0d0911

## About

Little ghouls, goblins, superheroes, princesses and pirates are invited to a drop-in Halloween party hosted jointly by the Golden Library, Golden History Museum & Park and Foothills Art Center. Young visitors in costume trick-or-treat between the three locations, stopping for not-so-scary stories and a variety of crafts and activities along the way. No registration is needed, so families can simply show up and make their way around downtown Golden.

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