Now this wilderness hiking trail is pretty long, so don't forget to pack enough supplies. The total elevation difference for this backpacking and hiking trail is 2,797 feet which is higher than average. Now, this is roughly a 3.5-day hike, so better have big a backpack to fit all the stuff you need. Buena Vista Trail is 22.4 miles long; it's longer than many wilderness hiking trails. This area does get very dry sometimes, so donít forget to check for any current fire restrictions before you go. This backpacking and hiking trail has only one trailhead, so you'll be backcountry backpacking it in and back out. Different parts of this wilderness hiking trail are at very different elevations, and that means that some parts of the wilderness hiking trail could be very different from other parts of it.