All Trails Closed West of Highway 36 Due to High Wind Conditions Near Louisville

All Trails Closed West of Highway 36 Due to High Wind Conditions Near Louisville

Boulder County Parks & Open Space has closed all trails and trailheads west of Highway 36 due to sustained winds exceeding 80 mph and extreme fire danger conditions. The closure includes all mountain parks, open space properties, and county trails in the foothills. Closures will be reassessed when wind conditions subside.

Boulder County has partnered with the cities of Boulder, Longmont, Lafayette, and Louisville on this project. Combined investment across all jurisdictions totals $197,000, making it one of the largest collaborative efforts in the county’s history.

Affordable housing remains the top priority identified in the 2025 Community Survey. Boulder County’s Worthy Cause program has funded 988 affordable housing units since its inception, with 92 additional units in the development pipeline.

Background

Water quality monitoring at 15 stations along Boulder Creek, St. Vrain Creek, and Left Hand Creek showed all parameters within acceptable ranges for 2025. The Community Justice Services publishes quarterly water quality reports on the Boulder County website.

The Walden Ponds open space property encompasses 274 acres and features 9 miles of multi-use trails. Seasonal wildlife closures may apply from December 15 through July 15 to protect nesting raptors and elk calving areas.