Three Peaks Trail has a total elevation difference of 1,240 feet which is about average. This wilderness trail has only one trailhead, so you'll be hiking it in and back out. Three Peaks Trail is 7.6 miles long it's a mid length backcountry hike. Keep in mind that this is a long hiking trail, so don't forget to pack enough supplies. There's not much difference in elevation along the backpacking trail, so you get pretty much the same conditions along the whole backpacking trail. The time needed for this backcountry walk is roughly 7 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that.