Now, this is roughly a 1.5-day backcountry trek, so make sure you've got all your overnight gear packed. Whiskey Spring Trail is 10.8 miles long; it's longer than many backpacking trails. Now this backpacking trail is pretty long, so don't forget to pack enough supplies. This wilderness hiking trail has only one trailhead, so in and out is the way to backcountry walk it normally. There's not much difference in elevation along the backpacking trail which means the conditions are about the same from start to finish. This wilderness hiking trail has a total elevation difference of 1,127 feet which is about average. 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.