Devils Falls is a 20-foot waterfall in Minnehaha County, South Dakota, in the Western Corn Belt Plains region. It lies about 0.4 miles northeast of Garretson and roughly 16.8 miles northeast of Sioux Falls as the crow flies.
At 20 feet it is among the ten tallest of the 8 South Dakota waterfalls with a recorded height, ranking 6th. By form it is a cascade, descending over a series of rock steps rather than in a single drop.
The Western Corn Belt Plains are gently rolling, intensively farmed former prairie; waterfalls are few and small, mostly on limestone ledges along river bluffs.
Minnehaha County holds 2 recorded waterfalls, and several are close by. Sioux Falls, a tiered waterfall, is about 16 miles away. Winnewissa Falls, is about 22.1 miles away across the state line in Minnesota.
Devils Falls is located at 43.7218° N, 96.4982° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.