City of Boulder

Welcome to the Open Space Mountain Parks Department!

Upcoming Activities   Calendar

CANCELED: Sunrise Yoga: The Power of Connection Profile Photo  Register CANCELED: Sunrise Yoga: The Power of Connection
  Saturday, 30 September 2023 |   08:00 AM | Flagstaff Sunrise Amphitheater |  Registration Required

Join local certified yoga teacher Maddie Tyo for a free Vinyasa Yoga session, where we'll harmonize movement and breath to flow from one pose to the next in one of the best sunrise spots in Boulder. This all-levels class will utilize the power of ...

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Roll and Stroll: A Wheelchair/Disability Hike for Families and Individuals Profile Photo  Register Roll and Stroll: A Wheelchair/Disability Hike for Families and Individuals
  Sunday, 01 October 2023 |   10:00 AM | Other Off-OSMP Location |  Registration Required

Join City of Boulder's Mark Davison for a spectacular hike at Clear Creek Canyon Park. We will begin at the Gateway Trailhead at 21100 US Highway 6 Golden, CO 80403. At 10:00 am we will gather for coffee and treats and begin the hike at 10:30 a...

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Saddle Rock Trail Work Event Profile Photo Volunteer Saddle Rock Trail Work Event
  Saturday, 07 October 2023 |   08:00 AM | Saddle Rock |  Registration Required

WHAT: Saddle Rock Trail Work Event WHEN: Saturday October 7, 2023 – 8am – 4pm PROJECT: Saddle Rock Trail Reroute. More information will be emailed to volunteers 1 week prior to the event PREPARATION FOR THE DAY: --Three quarts of water & s...

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Escape to White Rocks Profile Photo  Register Escape to White Rocks
  Sunday, 08 October 2023 |   09:00 AM | White Rocks/Weiser |  Registration Required

Enjoy an easy 2-mile hike to see the White Rocks, an area so fragile and precious that it is ordinarily closed to visitation.  This three-hour-plus hike will include a geology story as seen in the rocks, an exploration of several microhabitats and...

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Native Seed Collections - Restoring Ecosystems and Increasing Plant Diversity on Native and Ag Land Profile Photo Volunteer Native Seed Collections - Restoring Ecosystems and Increasing Plant Diversity on Native and Ag Land
  Tuesday, 10 October 2023 |   09:30 AM | Other OSMP Location |  Registration Required

Climate Action: Climate change is a serious global challenge that will have profound impacts on human and natural systems. OSMP is proactively managing these systems to withstand and adapt to the effects of the changing climate, relying on data dr...

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Escape to White Rocks Profile Photo  Register Escape to White Rocks
  Wednesday, 11 October 2023 |   09:00 AM | White Rocks/Weiser |  Registration Required

Sculpted by millions of years of geologic activity, Boulder's White Rocks have been honed into a dynamic and unusually rich landscape, home to myriad plants and animals of exceptional local rarity. Enjoy a slow and meandering exploration of this u...

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Prairie Wonders: A Jewel Mountain Hike Profile Photo  Sign Up Prairie Wonders: A Jewel Mountain Hike
  Thursday, 12 October 2023 |   09:30 AM

Journey through the beautiful prairie landscape of one of OSMP’s more remote, diverse and resilient prairies, in an area generally closed to the public. Plant ecologist Lynn Riedel and volunteer naturalist Lynne Sullivan will guide you through an ...

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Owls Hike Profile Photo  Sign Up Owls Hike
  Thursday, 12 October 2023 |   01:30 PM | Shanahan Ridge / Lehigh

Did you know that nine owl species nest in Boulder County? Learn about their lives and roles in the ecosystem on an easy to moderate hike with naturalist Kelly. She will also share stories and the science behind their predatory prowess! Please dre...

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Dancing with the Land Profile Photo  Sign Up Dancing with the Land
  Saturday, 14 October 2023 |   09:00 AM | Flagstaff Nature Center

The dance of nature is all around us! Wild nature has shapes, rhythms, patterns, and amazing choreography. Join naturalist and dancer, Deb Matlock during this easy hike, and we will explore these natural rhythms and move and groove with the land ...

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Out in Nature: Halloween Drag Hike (LGBTQIA+) Profile Photo  Sign Up Out in Nature: Halloween Drag Hike (LGBTQIA+)
  Sunday, 15 October 2023 |   03:30 PM | Skunk Canyon Neighborhood Access (Hollyberry)

Join naturalists Basil and Kelly for a relaxed one-to-two-mile hike to celebrate the changing of seasons and the second queerest month of the year! We’ll talk about queerness in nature as well as mimicry, camouflage and different ways critters in ...

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