This hiking trail has only one trailhead, so in and out is the way to walk it normally. Crescent Mountain Trail has a total elevation difference of 2,419 feet which is about average. Keep in mind that this is a long great outdoors hiking trail, so make sure you bring plenty of supplies. This backpacking trail goes through some very different elevations, so keep in mind that you may need to dress differently at different elevations. Crescent Mountain Trail is 7.8 miles long it's an average length backpacking trail. Sometimes this great outdoors hiking trail gets really dry, so make sure you check current conditions and fire restrictions with local forest authorities before you head out. The time needed for this hike is roughly 6.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that.