Willow Spring Trail has only one trailhead, so you're looking at an in and out backcountry walk. The total elevation difference for this hiking trail is 1,637 feet, and that is about average. This region does get very dry sometimes, so donít forget to check for any current fire restrictions before you go. Being 4.2 miles long it's an average length backcountry trail. This backcountry trek shouldn't take more than 3.5 hours, but of course some people walk a bit slower and some a bit faster. Some parts of Willow Spring Trail are much higher up than other parts of the backcountry trail, so keep in mind that you may need to dress differently at different elevations. This hiking and backpacking trail is not that long but you should still bring some emergency supplies just in case something happens.