Fr 648 is a hiking, biking, and horse trail in Coconino County, Arizona. It is within Coconino National Forest. It is 0.8 miles long and begins at 8,451 feet altitude. Traveling the entire trail is 1.7 miles with a total elevation gain of 197 feet. The KNAU-FM (Flagstaff) (elevation 8,409 feet) tower can be seen along the trail. The trail ends near the KKTM-TV (Flagstaff) (elevation 8,461 feet) and KZJC-TV (Flagstaff) (elevation 8,445 feet) towers and Mormon Mountain (elevation 8,461 feet).