Nf-203 is a hiking, biking, and horse trail in Coconino County, Arizona. It is within Kaibab National Forest. It is 5.7 miles long and begins at 7,372 feet altitude. Traveling the entire trail is 11.4 miles with a total elevation gain of 1,279 feet. The Road Hollow Tank (elevation 7,956 feet) reservoir can be seen along the trail.
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