The total elevation difference for Boundary Trail is 2,508 feet which is higher than average. This trail has only one trailhead, so you'll be backcountry hiking it in and back out. Of course, this is an overnight trek, 2.5 days normally, so better have big a backpack to fit all the stuff you need. Keep in mind that this is a long trail, so do pack enough food to last the whole trip. Boundary Trail is 15.8 miles long; it's longer than many hiking and backpacking trails. Boundary Trail goes through some very different elevations, so keep in mind that you may need to dress differently at different elevations.