Boulder OSMP
@boulderosmp
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Follow us for trail, program, project, nature & public safety updates for Boulder Open Space & Mountain Parks. Follows & retweets do not imply endorsement.
Boulder, Colorado
Joined June 2009
Know before you go! Check parking & weather at several Boulder OSMP trailheads—including Chautauqua Meadow, Flagstaff Mountain, Wonderland Lake & more—via new live cams. Plan your visit and take in the Boulder open space views:
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The City of Boulder has begun a multi-year effort to improve trails and restore sensitive natural areas on Mount Sanitas, one of the city’s most popular open space areas. Learn more:
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The City of Boulder & Boulder County are increasing nighttime patrols on Flagstaff Rd to deter illegal activity & reduce wildfire risks. Citations may be issued for fire violations, illegal parking and smoking/alcohol rules. Please recreate responsibly.
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The city worked with ranchers to bring cattle to north Boulder open space as part of broader wildfire risk reduction efforts. We appreciate the collaboration of GrammaGrass Livestock & The Golden Hoof in supporting this city wildfire mitigation project.
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The city invites input to help prioritize ideas and stories that will shape a reflective and healing trail on the city’s Fort Chambers/Poor Farm site, which has a local connection to the Sand Creek Massacre. Learn more & share your input:
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Please stay on-trail to help protect rare Bell’s twinpod plants found nearby. Every step matters in preserving these sensitive ecosystems.
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This new trail fulfills past planning commitments and supports ongoing work to improve outdoor experiences and protect natural resources in the Boulder Valley Ranch area.
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Now is a great time to explore it — wildflowers are blooming, and the views from the top are beautiful. Make it a loop via Eagle or Cobalt Trails! Shale Trail is open to hikers and equestrians (no bikes, please).
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The new Shale Trail is officially open! Built by Timberline Trailcraft and @boulderosmp, this ¾-mile trail climbs from Boulder Valley Ranch Trailhead up to the mesa-top, where it connects with Eagle Trail.
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Starting next week, the City of Boulder will continue mowing of open space areas next to neighborhoods as part of citywide efforts to reduce wildfire risks across the community.
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Boulder will expand targeted cattle grazing to open space near north Boulder in June to help reduce wildfire risks. Grazing near Wonderland Lake will begin mid-June and last about two weeks. More:
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Boulder is celebrating 60 years of the Junior Ranger Program! Next week, teens in yellow shirts + white hard hats return to care for our open space. Let’s cheer them on as they continue this legacy of stewardship!
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Celebrate National Trails Day with us on Saturday, June 7! Join OSMP near South Mesa Trailhead to help maintain Boulder’s 162-mile trail system. Let’s give back to the trails we all love. Sign up:
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The City of Boulder has shared its finalized list of 2025 priorities to continue advancing the city’s wildfire resilience & preparedness efforts. The newly updated Community Wildfire Protection Plan informs city wildfire resilience projects & initiatives.
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The City of Boulder invites you to Let’s DOO It! on Sunday, May 18 — a regional effort to encourage everyone to pick up after their pups and care for our parks and open space. Let’s DOO our part — there’s no poop fairy!
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RT @bouldercolorado: Spring hiking, meet mud 😬. Did you know you can sign up for text updates on muddy trail conditions?. Just text “OSMP”….
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May is Wildfire Awareness Month! Stay informed about wildfire resilience work in Boulder—city projects, community efforts & more—by signing up for the NEW Anchor Point eNewsletter:
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Discover how the City of Boulder is helping the community enjoy and protect open space in 2025. Learn about key recreation, ecological and agricultural projects at or explore them on the interactive map:
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Starting as early as 3/31, the city will close the bridge over Community Ditch on the Doudy Draw Trail to conduct bridge maintenance work. View closure map & learn more about trail work – which OSMP hopes to complete April 4, weather permitting.
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New trail connection alert! Boulder County just opened the Fourmile Canyon Creek Trail Underpass — linking the Fourmile Canyon Creek Path to the Cottonwood Trail in northeast Boulder. Learn more about this new trail connection!
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