Angry Mountain Trail has a total elevation difference of 3,575 feet which is a higher than average number. Now, this is roughly a 2-day backcountry trek, so it's a fine thing if your backpack is big enough to do the job. Some parts of Angry Mountain Trail are much higher up than other parts of the backpacking trail, and that means that some parts of the backpacking trail could be very different from other parts of it. Angry Mountain Trail is a one trailhead great outdoors hiking trail, so in and out is the way to backcountry hike it normally. Angry Mountain Trail is 14.4 miles long; it's longer than many backpacking trails. Keep in mind that this is a long backcountry trail, so don't forget to pack enough supplies.