Boulder Canyon Trail Closure Due to Rockfall Mitigation Work — December 2026

Boulder Canyon Trail Closure Due to Rockfall Mitigation Work — December 2026

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.

Climate considerations are central to this effort. Boulder County’s 2025 Climate Action Plan sets targets of reducing greenhouse gas emissions 56% below 2005 levels by 2030. This project contributes to those goals through energy efficiency improvements, renewable energy integration, and reduced vehicle miles traveled.

A community information session will be held at the Lyons library on Monday, May 4 at 5:00 PM. Translation services in Spanish and Nepali will be available. The session will also be livestreamed on the Boulder County YouTube channel.

Timeline

The program is modeled after similar successful initiatives in Larimer County and Jefferson County. Boulder County’s version includes additional provisions for wildfire mitigation, affordable housing, and environmental sustainability.

Affordable housing remains the top priority identified in the 2024 Community Survey. Boulder County’s Worthy Cause program has funded 1,018 affordable housing units since its inception, with 246 additional units in the development pipeline.