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Volunteer for Open Space and Mountain Parks!

Volunteer for Open Space and Mountain Parks!

Over 1,000 dedicated and enthusiastic volunteers contribute thousands of hours of service every year to help care for our Open Space and Mountain Parks lands. Come join us!

We appreciate the outpouring of offers to help! OSMP is continuing to assess conditions and opportunities for safe and appropriate volunteer projects.

Ways to Volunteer:

Upcoming Volunteer Projects - Single Day

Community Cleanup Day


Help beautify Boulder! Choose from 10 parks and greenways. Plant flowers, pull weeds and more from 8:30 a.m. to noon on Saturday, May 16.

See more upcoming events in the Calendar of Events

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Volunteer Programs - Long Term

Volunteer host at the Flagstaff Nature Center

Hosts - Program Full

Friendly volunteers greet the public and provide information at community events, trailheads and facilities.

Trail Guides - Program Full

Trail Guides travel OSMP trails enhancing visitors’ experiences. They provide visitor information and assist those in need.

Bat Monitors - Program Full

Holy Chiroptera! Bat monitors head out at dusk to ponds and bat roost sites, performing auditory and visual bat population counts.

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