National Forest Development Road 548 is a hiking, biking, and horse trail in Grant County, Oregon. It is within Malheur National Forest. It is 2.7 miles long and begins at 6,792 feet altitude. Traveling the entire trail is 5.5 miles with a total elevation gain of 1,110 feet. Sheep Mountain (elevation 7,733 feet) can be seen along the trail.
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