The total elevation difference for this great outdoors hiking trail is 1,478 feet which is about average. This is a long great outdoors trail, so make sure you bring plenty of supplies. You spend the whole hike in roughly the same elevation zone, so you won’t have to worry about different climate zones along your hike. North Fork Soleduck River Trail is a one trailhead great outdoors hiking trail, so you're looking at an in and out walk. Now, this is roughly a 2.5-day walk, so make sure you've got all your overnight gear packed. With its 15.8 miles of walking distance; it's longer than many wilderness trails.