Official Boulder County trail closure notices for open space areas, including LoBo Trail and regional connections.
Recent changesJul 7, 2026
Page updated — Added: "Sheriff’s News and Information" · Removed: "Boulder County government offices closed Friday, July 3. Trailheads close at 7:30 p.m. on July 4 and reopen at sunris..."
Source pages
Boulder County Trail Closuresbouldercounty.gov