Sometimes this backcountry hiking 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. There is only one trailhead, so you're looking at an in and out hike. Different parts of Salt Trail are at very different elevations, and that means that some parts of the hiking trail could be very different from other parts of it. Salt Trail is 11.6 miles long; it's a long hiking trail. This is a long backcountry hiking trail, so don't forget to pack enough supplies. The total elevation difference for Salt Trail is 3,105 feet, and that is higher than average. Now, this is roughly a 1.5-day hike, so make sure you've got all your overnight gear packed.