Cascade Loop
USFS trail 21033
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.
19.9 mi · Typical grade 10 to 12%
About 300 ft between the route's high and low points. An estimate from US government elevation data, computed 2026-07-11; not measured in the field.
Trail facts
- Length
- 19.9 mi mapped
- Grade
- Typical grade 10 to 12% (USFS trail class TG04)
- Surface
- native material
- USFS-managed uses
- Bicycling
- Motorized status
- Non-motorized (USFS designation)
- Accessibility
- Not listed by the USFS as accessible