Boulder Canyon Trail Closure Due to Rockfall Mitigation Work Near Sunshine Canyon
Boulder County Parks & Open Space announces a temporary closure of the Boulder Canyon Trail between Elephant Buttresses and the Dome trailhead for rockfall mitigation work. Crews will be scaling loose rock and installing mesh netting along a 400-foot section of cliff face above the trail. The closure is expected to last approximately three weeks, weather permitting.
A community information session will be held at the Nederland library on Wednesday, June 3 at 6:00 PM. Translation services in Spanish and Nepali will be available. The session will also be livestreamed on the Boulder County YouTube channel.
Funding of $5,000 for this initiative comes from a combination of federal grants, state matching funds, and the Boulder County General Fund. The Board of County Commissioners approved the allocation during the 2026 budget session.
Related Programs
Residents in the Nederland area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Sustainability, Climate Action & Resilience at (303) 441-7415 to verify eligibility and requirements.
Volunteers contributed over 14,933 hours to this program last year. The Sustainability, Climate Action & Resilience coordinates with 12 nonprofit partner organizations throughout Boulder County to deliver services.
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Historical context: Boulder County was established in 1861 and covers 741 square miles of diverse terrain from the Great Plains to the Continental Divide. The county’s population of approximately 330,000 residents is served by 2442 county employees across 37 departments and offices.