The total elevation difference for this backpacking trail is 3,290 feet which is a higher than average number. With its 18.2 miles of walking distance; it's a long backcountry hiking trail. Sometimes this wilderness hiking 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 backpacking trail has only one trailhead, so in and out is the way to backcountry trek it normally. American River Trail is quite long, so make sure you bring plenty of supplies. Different parts of American River Trail are at very different elevations, so keep in mind that you may need to dress differently at different elevations. This hike should take you about 2.5 days, so better have big a backpack to fit all the stuff you need.