The total elevation difference for Arroyo Seco Trail is 2,631 feet which is higher than average. This backcountry hiking trail goes through some very different elevations, so keep in mind that you may need to dress differently at different elevations. Arroyo Seco Trail is 7.6 miles long it's an average length backcountry hiking trail. This great outdoors trail sometimes gets very dry, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire. This wilderness hiking trail has only one trailhead, so you're looking at an in and out hike. The time needed for this backcountry trek is roughly 6.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. Keep in mind that this is a long great outdoors trail, so do pack enough food to last the whole trip.