Middle Fork Trail is a one trailhead backpacking and hiking trail, so you're looking at an in and out walk. This walk should take you about 2 days, so better have big a backpack to fit all the stuff you need. This backpacking and hiking trail has a total elevation difference of 903 feet which is lower than average. Middle Fork Trail is 12.2 miles long; it's considered a longer hike. The great outdoors hiking trail stays roughly within the same elevation zone the whole time, so you get pretty much the same conditions along the whole great outdoors hiking trail. This is a great outdoors hiking trail that is quite long, so make sure you bring plenty of supplies.