Amazing Places
Buckskin Gulch, Utah is the longest and deepest slot canyon in the United States, and arguably in the world, and is also one of the most stunning and famous slot canyons. The 13 mile (21 km) canyon is at most places less than 10 feet (3.3 mt) wide, and its walls reach 400 feet (120 mt) at the deepest point.
Credit Amazing Places on Our Planet