Big Granite
USFS trail 13E21
The route in 3D
Fly this trail over real terrain
USGS and partner elevation data build the terrain, and the US Forest Service centerline draws the route.
5.4 mi · Typical grade 20 to 30%
About 3,500 ft between the route's high and low points. An estimate from US government elevation data, computed 2026-07-10; not measured in the field.
Trail facts
- Length
- 5.4 mi mapped
- Grade
- Typical grade 20 to 30%
- Surface
- native material
- USFS-managed hiker season
- year-round
- USFS-managed uses
- Hiking
- Motorized status
- Non-motorized (USFS designation)