Muddy Trail Closures | City of Boulder

Holiday Closures

In observance of the Memorial Day Holiday on Monday, May 25, the City of Boulder is adjusting its operations schedules.

Spring 2026 Survey

The city is working with a national research firm, Probolsky Research, on a randomized and statistically valid survey to better understand community concerns and opinions about potential 2026 ballot measures. Boulder voters may receive a phone call, text or email to complete the survey, which will be available in both English and Spanish.

Sign Up for Muddy Trail Closure Updates

Text “OSMP” to 888-777 to sign up for text updates about muddy trail closures.