Cooped up in a nylon wrapper can be disorienting and uncomfortable. Tarps can be pitched with ceilings high enough to stand under and open on all sides. For drastically less weight, they can be outright tremendous, big enough to sleep a dozen hikers, or just to give yourself a comfortable vantage of the torrential rain outside. And with a simple lean-to tarp setup, you’re open to quickly and easily pinpoint exactly what that rustling is in the distance.
Source: 11 reasons you may want to switch to tarp camping – Appalachian Trials