National Forest Development Road 582 is a hiking, biking, and horse trail in Grant County, Oregon. It is within Malheur National Forest. It is 5.0 miles long and begins at 4,335 feet altitude. Traveling the entire trail is 10.0 miles with a total elevation gain of 2,763 feet. Twin Buttes (elevation 5,568 feet) can be seen along the trail.
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