National Forest Development Road 401 is a hiking, biking, and horse trail in Skamania County, Washington. It is within Gifford Pinchot National Forest. It is 0.8 miles long and begins at 3,793 feet altitude. Traveling the entire trail is 1.6 miles with a total elevation gain of 420 feet. The trail ends near the Lone Butte Quarry (elevation 4,206 feet) quarry.
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