Festival
Pumpkinfest & Hayrides
3 pm – 8 pm · Historic Fort Lancaster (South Platte Valley Historic Park) · Free
Family
Trick-or-Treat Street
The Chamber of Commerce’s annual Halloween trick-or-treating downtown, from 4 to 6 pm on Denver Avenue and 4th Street, where local businesses hand out candy from booths and car trunks. There are costume contests for children, adults and pets, and a contest for the decorated booths.
Also coming up in Fort Lupton
Family
Splash the Pumpkin Pool & Movie Party
6 pm – 9 pm · Fort Lupton Recreation Center · $5; registration required
Checked by [FIRST NAME], October 7, 2026 against business.fortluptonchamber.org. Times can change; the organizer’s page is the record. Report a correction · Know something opening or closing? Tell us