Forest Service Road 648 is a hiking, biking, and horse trail in Coconino County, Arizona. It is within Coconino National Forest. It is 2.7 miles long and begins at 7,687 feet altitude. Traveling the entire trail is 5.4 miles with a total elevation gain of 861 feet. The KNAU-FM (Flagstaff) (elevation 8,409 feet) tower can be seen along the trail.
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