Duncan Hill Trail has a total elevation difference of 5,038 feet, and that is higher than average. Of course, this is an overnight walk, 4 days normally, so it's a good thing if your backpack is big enough to do the job. Some parts of Duncan Hill Trail are much higher up than other parts of the hiking and backpacking trail which of course means you need to be prepared for different conditions on different parts of the hiking and backpacking trail. Sometimes this backpacking trail gets really dry, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire. This is a long backpacking trail, so do pack enough food to last the whole trip. Being 27.2 miles long; it's considered a longer walk. This great outdoors trail has only one trailhead, so you're looking at an in and out trek.