National Forest Development Road 4670 is a hiking, biking, and horse trail in Wallowa County, Oregon. It is within Wallowa-Whitman National Forest. It is 7.1 miles long and begins at 4,906 feet altitude. Traveling the entire trail is 14.1 miles with a total elevation gain of 1,218 feet. The McCarty Reservoir (elevation 4,429 feet) reservoir can be seen along the trail.
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