Cumberland Falls, Kentucky

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Kentucky's Cumberland Falls is 68 feet (21 m) high and 125 feet (38 m) wide with an average water flow of 3,600 cubic feet per second (100 m³/s). Measured by water volume it is the among the largest waterfalls in North America. The falls originated at the Pottsville Escarpment and retreated by erosion to its current location, which is approximately 45 miles (72 km) upstream. During its retreat, the falls cut the Cumberland River gorge that reaches depths of up to 400 feet (120 m).