National Forest Development Road 1133 is a hiking, biking, and horse trail in Linn County, Oregon. It is within Willamette National Forest. It is 13.0 miles long and begins at 4,291 feet altitude. Traveling the entire trail is 26.3 miles with a total elevation gain of 8,459 feet. The Albany Mine (elevation 2,608 feet) quarry can be seen along the trail.
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