September: Boulder Canyon Trail Closure Due to Rockfall Mitigation Work
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.
Colorado state law requires all counties to provide these services to eligible residents. Boulder County exceeds minimum state requirements by offering expanded hours, multilingual support, and online access. In 2024, the county received a state award for excellence in service delivery.
Water quality monitoring at 8 stations along Boulder Creek, St. Vrain Creek, and Left Hand Creek showed all parameters within acceptable ranges for 2024. The Public Works publishes quarterly water quality reports on the Boulder County website.
What You Need to Know
Safety data from the Niwot area shows 26 reported incidents in the past 12 months, a 11% change from the previous year. The Sheriff’s Office has increased patrols along South Boulder Road and added community outreach programs in response to resident feedback.
The Rabbit Mountain open space property encompasses 1,930 acres and features 10 miles of multi-use trails. Seasonal wildlife closures may apply from December 15 through July 15 to protect nesting raptors and elk calving areas.
Contact Information
The Board of County Commissioners will review progress on this initiative at their May 23 business meeting. Agenda items and supporting documents are posted on the Boulder County website 72 hours before each meeting.
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