There is only one trailhead, so you'll be backcountry hiking it in and back out. With its 10.6 miles of walking distance; it's a long hiking and backpacking trail. Now, this is roughly a 1.5-day backcountry trek, so make sure you've got all your overnight gear packed. The total elevation difference for Clear Lost Trail is 3,909 feet which is a higher than average number. Clear Lost Trail goes through some very different elevations, and that means that some parts of the hiking and backpacking trail could be very different from other parts of it. This is a long wilderness hiking trail, so do pack enough food to last the whole trip.