Events for June 20, 2026

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Dash Across the Dam Father’s Day 5K

Rueter-Hess Reservoir 9343 Double Angel Road, Parker

he Parker Parks and Recreation Run Series invites you to come out and celebrate Dad (or anyone) and Dash Across the Dam 3.1 miles at the Rueter-Hess Reservoir in this...

$40

Castle Rock Car Show

Wilcox Square 301 Wilcox Street, Castle Rock

By 10:00 AM on Saturday, the streets of historic Downtown are shut down and turned into a showplace for over 300 cars, trucks and specialty vehicles. The 18th Annual Classic...

Free

Colorado Whiskey Fest

Douglas County Fairgrounds 500 Fairgrounds Road, Castle Rock

Come out and enjoy tastes of some of America's Finest Whiskey & Bourbon, Featuring many of Colorado's Finest! Also offering tastings of Wine, Beer, and other Spirits.A variety of vendors...

$35 – $75

Castlewood Dam Personalities

Parker Library 20105 Mainstreet, Parker

Local historian Ron Claussen will return to continue to the story of the doomed Castlewood Dam, this time focusing on the personalities behind its development. Constructed in 1889, the Dam...

Free