Presidential Range Rail Trail is a hiking and biking trail in Coös County, New Hampshire. It is within White Mountain National Forest. It is 19.2 miles long and begins at 886 feet altitude. Traveling the entire trail is 38.5 miles with a total elevation gain of 1,527 feet. The Pondicherry Refuge Parking is near the trailhead. The Castle Trail (elevation 1,444 feet) parking can be seen along the trail.