Horsetooth Mountain Open Space is closed until further notice.
Officials with Larimer County Natural Resources made the announcement Thursday morning, saying the closure is due to recent mountain lion activity.
The popular park west of Fort Collins and Horsetooth Reservoir includes more than 2,700 acres of county land and has 29 miles of hiking and biking trails. This week’s closure includes both the main entrance off of County Road 38 and the Soderberg trailhead…