Areas
Find your line by place. Each area lists the trails that start inside its boundary. Boundaries come from OpenStreetMap contributors.
Counties and regions
Towns and cities
Parks, open space and wilderness
- Boulder Open Space and Mountain Parks164 trails · 116 miCity of Boulder
- Indian Peaks Wilderness28 trails · 66 miUnited States Forest Service
- Rocky Mountain National Park24 trails · 35 miNational Park Service
- Rocky Mountain Wilderness20 trails · 25 miNational Park Service
- Eldorado Canyon State Park13 trails · 5 miColorado Parks and Wildlife
- Betasso Preserve5 trails · 7 miBoulder County Open Space
- Lagerman Agricultural Preserve4 trails · 7 mi
- Buckingham Park3 trails · 1 miCity of Boulder
- Caribou Ranch Open Space2 trails · 2 miBoulder County Open Space
- BLM - Royal Gorge Field Office1 trails · 0 miBureau of Land Management
- James Peak Protection Area1 trails · 5 miUnited States Forest Service
National forests
Counts are trails in our data whose start point lies inside the boundary. They are not rankings, and some areas overlap (a park can sit inside a county).