Hikes and Events Open Space Calendar

Hikes and Events Open Space Calendar

Enjoy group-led hikes, indoor programs, special events, seniors hikes, kids programs, and other Parks & Open Space meetings.

Please note:

  • Registration is handled through Discover Boulder County, Parks & Open Space’s volunteer and event registration system.
  • Registration for most programs begins on the 20th of the month before the event.
  • All ages are welcome unless otherwise noted.
  • Pets are not allowed.
  • Volunteer projects are listed on the Volunteer Opportunities page.

Boulder County wants to ensure that everyone has equal access to our programs, activities, and services. To request an Americans with Disability Act (ADA) accommodation, please email ada@bouldercounty.gov, or call 303-441-1386. Submit your request as early as possible, and no later than three business days before the event.

If you need help in another language, please email posinfo@bouldercounty.gov, or call 303-678-6277. Contact us as early as possible, and no later than three business days before the event.

Sign Up for Email Updates

Hikes and Events Emails

A large group of people gather around a park shelter listening to a tour guide

Receive a monthly email with date, location, time and details about upcoming programs.
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Kids and Family Emails

A group of kids looking into a pond

Receive a monthly email for programs and events that are of special interest to children.
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Contact Us

Parks & Open Space

8 a.m. to 4:30 p.m.
Monday-Friday

Office Location

5201 St. Vrain Road
Longmont, CO 80503
Map and Directions
Office Hours: 8 a.m. to 4:30 p.m.
Monday-Thursday
Friday by phone, email, or appointment only.

Parks are open sunrise to sunset