Jefferson Park Trail is 17.6 miles long; it's considered a longer hike. This backpacking trail goes through some very different elevations, so keep in mind that you may need to dress differently at different elevations. Jefferson Park Trail has only one trailhead, so you're looking at an in and out walk. This trek should take you about 2.5 days, so better have big a backpack to fit all the stuff you need. Sometimes this backpacking trail gets really dry, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire. Jefferson Park Trail has a total elevation difference of 3,680 feet which is higher than average. This is a backpacking trail that is quite long, so don't forget to pack enough supplies.