This is a one trailhead great outdoors hiking trail, so you'll be backcountry trekking it in and back out. This region does get very dry sometimes, so make sure you check current conditions and fire restrictions with local forest authorities before you head out. There's not much difference in elevation along Salt House Eighteen Trail which means the conditions are about the same from start to finish. Salt House Eighteen Trail has a total elevation difference of 903 feet which is a lower than average number. Keep in mind that this is a long great outdoors hiking trail, so do pack enough food to last the whole trip. Being 6.4 miles long it's a mid length hike. The time needed for this backcountry hike is roughly 6 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that.