This backcountry trail has a total elevation difference of 4,566 feet which is higher than average. Now, this is roughly a 12-day backcountry hike, so it's a magnificent thing if your backpack is big enough to do the job. Wonderland Trail is 74.9 miles long; it's considered a longer backcountry hike. Some parts of this great outdoors trail are much higher up than other parts of the great outdoors trail which of course means you need to be prepared for different conditions on different parts of the great outdoors trail. This is a long backcountry hiking trail, so make sure you bring plenty of supplies.