Idaho · Hiking

Thunder Mountain Historic

21.6 mi
round trip
3,465 ft
climb
9,068 ft
high point
Out and back
route

Is Thunder Mountain Historic open right now?

Alert in the area

The Forest Service lists an alert for Salmon-Challis National Forest.

As of · Source: USFS · Salmon-Challis National Forest. Agencies don't list every closure — check before you go.

Thunder Mountain Historic is a hard hike in Idaho's Salmon-Cobalt Ranger District of the Salmon-Challis National Forest, about 21.6 miles long with a one-way elevation gain of 3,465 feet. The trail is an out-and-back that climbs from a low point of 5,855 feet to a high point of 9,068 feet, and it is open year-round. The route is on natural surface, and it allows both horses and bikes. The Forest Service manages the land, and the trail is part of the national forest system. Williams Lake Campground sits about 1.6 miles away, and the Rattlesnake and Henry Creek hikes are each within about 2 miles. Shoup Bridge Campground is roughly 9 miles off.