This is not a very long backcountry hiking trail but it's always splendid to bring some emergency supplies, you never know what could happen. The total elevation difference for this great outdoors trail is 1,263 feet, and that is about average. With its 4.2 miles of walking distance it's an average length wilderness trail. There's not much difference in elevation along Klickitat Trail, so you won’t have to worry about different climate zones along your walk. This great outdoors trail has only one trailhead, so in and out is the way to backcountry trek it normally. You should count on this walk taking about 3.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that.