The Railroad Right-of-Way Trail winds through the pristine wilderness of Idaho's Targhee National Forest. The sprawling forest is a unit of the even larger Caribou-Targhee National Forest, which borders famous Yellowstone and Grand Teton National Parks.
Built on a former railroad corridor that once provided tourist access from Idaho Falls, Idaho, to West Yellowstone, Montana, the trail parallels Warm River for a few miles from its south trailhead at Warm Springs Campground. About 3 miles north of the campground, a short tunnel—original to the railroad—leads through a steep piece of terrain. Unfortunately, the tunnel suffered a cave-in in 2008, so access is prohibited. The trail has been rerouted just to the east, providing closer views of the Warm River.
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More Stats for Yellowstone Branch Trail mountain bike trail
Altitude change1,591 ft
Altitude min5,312 ft
Altitude start5,312 ft
Altitude end6,903 ft
Distance climb27 miles
Distance down10 miles
Distance flat1 miles
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- Snow Packed
- Snow Covered
- Freeze/thaw Cycle
- Prevalent Mud
- Very Dry
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