About mountain biking in Cassia County

Cassia County, Idaho has 35 named trails tagged for mountain biking, covering 140 miles, an average of 4.0 miles each. The longest is Big Cottonwood, at 13.6 miles. 9 run 5 miles or longer.

All 35 mountain biking trails, longest first

Big CottonwoodHikeMTB13.6 mi Big CedarMTB12.7 mi Ranger TrailHikeMTB10.0 mi Harrington ForkHikeMTB8.7 mi Telephone CanyonMTB8.2 mi Third Fork Rock CreekHikeMTB7.9 mi First ForkHikeMTB7.3 mi Rim ViewHikeMTB6.6 mi Cave CanyonHikeMTB5.8 mi Pike MountainHikeMTB4.6 mi Birch Spring RoadMTB4.5 mi Independence Lakes TrailHikeMTB4.5 mi Skyline TrailHikeMTB4.3 mi North Fork Circle CreekHikeMTB3.7 mi Cotton RidgeHikeMTB3.6 mi Martindale ForkHikeMTB3.3 mi Wahlstrom HollowHikeMTB3.1 mi Pomerelle XCHikeMTB2.9 mi Little ForkHikeMTB2.7 mi Cave Creek ConnectorHikeMTB2.4 mi High LoopMTB2.1 mi Stripe Rock TrailHikeMTB2.1 mi Telephone Springs RoadMTB1.8 mi Trail CanyonHikeMTB1.6 mi Porcupine EastHikeMTB1.5 mi FS Number OneMTB1.4 mi A-H CreekHikeMTB1.4 mi Telephone SpringsMTB1.3 mi Magic ManiaHikeMTB1.3 mi Geo Watt TrailHikeMTB1.2 mi Tea Kettle TrailHikeMTB1.1 mi Third Fork-TrapperMTB0.9 mi Tator TotMTB0.8 mi Telephone Canyon-Third Fork ConnectorHikeMTB0.6 mi Little Fork CutoffHikeMTB0.2 mi

← All Cassia County trails

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt August 23, 2026.