The total elevation difference for Big Bend Trail is 538 feet which is a lower than average number. This backcountry trek shouldn't take more than 5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. This is not a very long great outdoors hiking trail but you should still bring some emergency supplies just in case something happens. With its 5.8 miles of walking distance it's a mid length trek. Big Bend Trail is a one trailhead great outdoors hiking trail, so you're looking at an in and out backcountry hike. The hiking trail stays roughly within the same elevation zone the whole time, so you won’t have to worry about different climate zones along your trek.