Soleduck Trail has only one trailhead, so in and out is the way to backcountry walk it normally. This hike should take you about 2 days, so it's a great thing if your backpack is big enough to do the job. The total elevation difference for Soleduck Trail is 3,468 feet which is higher than average. Some parts of this backpacking trail are much higher up than other parts of the backpacking trail, so keep in mind that you may need to dress differently at different elevations. Now this wilderness trail is pretty long, so do pack enough food to last the whole trip. With its 15.4 miles of walking distance; it's considered a longer trek.