Fern
USFS trail 1E31
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.
1.6 mi · Typical grade 8 to 10%
About 400 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
- 1.6 mi mapped
- Grade
- Typical grade 8 to 10%
- Surface
- native material
- Accessibility
- Listed by the USFS as accessible
- Designation
- National trail designation
- National forest
- San Bernardino National Forest