Events near Boulder

October 2026

• Wed Oct 21Astrophotography Special Interest Group (ASIG) – Advanced Image ProcessingDenver Astronomical Society · Zoom, Zoom · sign up with the organizer
• Wed Oct 21Movement Golden: Wednesday 5:30 fun climbingDenver Social Climb · See the event page · sign up with the organizer
• Wed Oct 21Wednesday climbing at Movement GoldenDenver Social Climb · Movement Golden, 700 Golden Ridge Rd · sign up with the organizer
• Wed Oct 21Nite Ride (intermediate, bring lights)Boulder Mountainbike Alliance · Boulder (trailhead given on sign-up) · sign up with the organizer
• Wed Oct 21RIDE: Nite RideBoulder Mountainbike Alliance · See the event page · sign up with the organizer
• Wed Oct 21Ubergrippen Wed eveningDenver Social Climb · See the event page · sign up with the organizer
• Wed Oct 21Explore Night (free, for newcomers)Colorado Mountain Club · CMC Basecamp, 15605 W 32nd Ave, Golden · sign up with the organizer
• Wed Oct 21Death Moth MeetupDeath Moth Meetup · The Spot Denver · sign up with the organizer
• Thu Oct 22Waterton Canyon Big MTB Ride with SteveDenver Bicycle Touring Club · See the event page · sign up with the organizer
• Thu Oct 22Astronomy Night at Chamberlin ObservatoryDenver Astronomical Society · Chamberlin Observatory · sign up with the organizer
• Thu Oct 22Movement Englewood: Thursday @ 6pmDenver Social Climb · See the event page · sign up with the organizer
• Fri Oct 23Ignite Adaptive Sports fundraising galaIgnite Adaptive Sports · Boulder JCC, 6007 Oreg Ave, Boulder · sign up with the organizer