Black Mesa Trail has a total elevation difference of 657 feet, and that is lower than average. This is a one trailhead wilderness trail, so you're looking at an in and out hike. This neighborhood does get very dry sometimes, so make sure you check current conditions and fire restrictions with local forest authorities before you head out. Keep in mind that this is a long hiking trail, so do pack enough food to last the whole trip. The time needed for this backcountry trek is roughly 7.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. The 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. Black Mesa Trail is 8.2 miles long it's a mid length trek.