DirectionsTopo MapTrip ReportsPhotosGPS
National Forest Development Road 100 is a hiking, biking, and horse trail in Lemhi County, Idaho. It is within Salmon-Challis National Forest. It is 5.3 miles long and begins at 6,433 feet altitude. Traveling the entire trail is 10.6 miles with a total elevation gain of 1,868 feet.
Sign in/up to upload photos.