The total elevation difference for Agua Caliente Trail is 2,537 feet, and that is higher than average. This is a one trailhead wilderness trail, so in and out is the way to hike it normally. At parts of the year this region sees very little rain, so donít forget to check for any current fire restrictions before you go. This is a long hiking trail, so make sure you bring plenty of supplies. This hike should take you about 2.5 days, so make sure you've got all your overnight gear packed. This backcountry hiking trail goes through some very different elevations, and that means that some parts of the backcountry hiking trail could be very different from other parts of it. Being 17 miles long; it's a long backcountry hiking trail.