The total elevation difference for this hiking and backpacking trail is 2,759 feet which is a higher than average number. Of course, this is an overnight backcountry walk, 2 days normally, so it's an outstanding thing if your backpack is big enough to do the job. This is a long backpacking and hiking trail, so make sure you bring plenty of supplies. With its 14.4 miles of walking distance; it's considered a longer trek. Kings River Trail has only one trailhead, so in and out is the way to hike it normally. Different parts of Kings River Trail are at very different elevations, so keep in mind that you may need to dress differently at different elevations. This backpacking and hiking trail sometimes gets very dry, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire.