Cougar Valley Trail has only one trailhead, so you're looking at an in and out hike. The total elevation difference for Cougar Valley Trail is 587 feet which is a lower than average number. This hike shouldn't take more than 3.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. With its 4 miles of walking distance it's a mid length backcountry trek. There's not much difference in elevation along Cougar Valley Trail, so you won’t have to worry about different climate zones along your backcountry trek. This is not a very long hiking trail but you should still bring some emergency supplies just in case something happens.