City of Boulder

Welcome to the Open Space Mountain Parks Department!

Upcoming Activities   Calendar

Wake Up the Bear Concert with Jeff and Paige! Profile Photo  Sign Up Wake Up the Bear Concert with Jeff and Paige!
  Sunday, April 18, 2021 |   04:00 PM | Virtual location (from home)

A virtual kids' concert in conjunction with Boulder CO's annual Tulip, Elf and Fairy Festival. Join us as we welcome the bears out of hibernation and into spring. Expect: original science-focused children's music, costumes, animation, multiple...

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CANCELED: Ranger Paula's Wild Wetland Adventure and Planting Project Profile Photo  Register CANCELED: Ranger Paula's Wild Wetland Adventure and Planting Project
  Monday, April 19, 2021 |   01:30 PM |  Registration Required

Celebrate Earth Day by joining Ranger Paula’s Wild Wetland Adventure and Planting Project. Sombrero Marsh is the largest naturally occurring open water body in Boulder Valley! For Earth Day, join OSMP to discover this invaluable marsh and particip...

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(Self-guided) April meteor showers bring May... Profile Photo  Sign Up (Self-guided) April meteor showers bring May...
  Thursday, April 22, 2021 |   04:00 AM

This year’s Lyrid Meteor Shower will peak in the pre-dawn hours of April 22nd, and although the moon will interfere with viewing this year, you can still admire the early morning sky sprinkled with stars you would observe on a summer night. In fac...

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Aventuras de la Guardaparques Paula: Proyecto de siembra de plantas en los humedales Profile Photo  Waitlist Aventuras de la Guardaparques Paula: Proyecto de siembra de plantas en los humedales
  Saturday, April 24, 2021 |   10:00 AM |  Registration Required

Celebren el Día de la Tierra uniéndose al proyecto de siembra de plantas de humedales de la Guardaparques Paula. ¡El “Sombrero Marsh” es el humedal más grande de todo el Valle de Boulder! Los invitamos a descubrir este maravilloso lugar y a partic...

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Ranger Paula's Wild Wetland Adventure and Planting Project Profile Photo  Register Ranger Paula's Wild Wetland Adventure and Planting Project
  Saturday, April 24, 2021 |   10:00 AM |  Registration Required

Celebrate Earth Day by joining Ranger Paula’s Wild Wetland Adventure and Planting Project. Sombrero Marsh is the largest naturally occurring open water body in Boulder Valley! For Earth Day, join OSMP to discover this invaluable marsh and particip...

 more
Outdoors for All Reading and Discussion Series: "Red Alert!" by Daniel R. Wildcat Profile Photo  Sign Up Outdoors for All Reading and Discussion Series: "Red Alert!" by Daniel R. Wildcat
  Monday, April 26, 2021 |   06:00 PM | Virtual location (from home)

Join Education & Outreach Coordinator, Casey Bries, in reviewing Red Alert!: Saving the Planet with Indigenous Knowledge in which Daniel R. Wildcat examines the use of Indigenous knowledge to inspire solutions to combating climate change. This mon...

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Flagstaff Litter Clean up Profile Photo  Register Flagstaff Litter Clean up
  Saturday, May 1, 2021 |   09:00 AM | Other OSMP Location |  Registration Required

As you know, we are incorporating CDC/WHO guidelines along with the state of Colorado standards for precaution against the spread of COVID-19. City volunteers will follow the same guidelines as staff regarding facial coverings. See the Citywide Gu...

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National Trails Day 2021 Profile Photo  Register National Trails Day 2021
  Saturday, June 5, 2021 |   08:00 AM |  Registration Required

Join the City of Boulder Open Space & Mountain Parks to celebrate National Trails Day 2021! After a long, hard year we invite you to get outside with your fellow community members and help construct a new sustainable reroute of the Tenderfoot Trai...

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