This backpacking and hiking trail has only one trailhead, so in and out is the way to backcountry trek it normally. Swallow Lake Trail goes through some very different elevations, so keep in mind that you may need to dress differently at different elevations. Being 14.4 miles long; it's considered a longer walk. This backcountry walk should take you about 2 days, so better have big a backpack to fit all the stuff you need. This hiking and backpacking trail sometimes gets very dry, so make sure you check current conditions and fire restrictions with local forest authorities before you head out. This is a hiking and backpacking trail that is quite long, so make sure you bring plenty of supplies. This backpacking and hiking trail has a total elevation difference of 3,182 feet which is higher than average.