Upper Sespe River Trail is a one trailhead trail, so in and out is the way to backcountry trek it normally. The total elevation difference for this trail is 1,682 feet which is about average. This region does get very dry sometimes, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire. Being 14 miles long; it's considered a longer backcountry trek. Some parts of Upper Sespe River Trail are much higher up than other parts of the wilderness hiking trail, and that means that some parts of the wilderness hiking trail could be very different from other parts of it. This is a long backpacking and hiking trail, so do pack enough food to last the whole trip. Of course, this is an overnight hike, 2 days normally, so make sure you've got all your overnight gear packed.