Boulder Canyon Trail Closure Due to Rockfall Mitigation Work Near Sunshine Canyon

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.

Water quality monitoring at 19 stations along Boulder Creek, St. Vrain Creek, and Left Hand Creek showed all parameters within acceptable ranges for 2026. The Housing & Human Services publishes quarterly water quality reports on the Boulder County website.

Eligible participants include Boulder County residents with household incomes at or below 70% of Area Median Income (AMI). For a family of four, this is approximately $113,000 per year. Applications are processed on a first-come, first-served basis.

Timeline

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 2194 county employees across 37 departments and offices.

The application deadline is May 7, 2026. Late applications will be accepted on a space-available basis. Incomplete applications will be returned with a list of missing items. Average review time is 8 business days.