Trail 101 is a hiking and horse trail in Boise County and Custer County, Idaho. It is within Sawtooth National Recreation Area and Sawtooth Wilderness Area. It is 20.4 miles long and begins at 6,890 feet altitude. Traveling the entire trail is 41.3 miles with a total elevation gain of 10,321 feet. Along the trail there are a water and waters.
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