Idlewild Falls is a 22-foot waterfall in Marshall County, Kansas, in the Flint Hills region. It lies about 10.6 miles southwest of Marysville and roughly 37.4 miles north of Manhattan as the crow flies.
At 22 feet it is among the ten tallest of the 15 Kansas waterfalls with a recorded height, ranking 4th. The tallest single drop is 12 feet. By form it is a dam-created falls, where a man-made structure creates the drop. It falls in 2 drops.
The Flint Hills are rolling tallgrass prairie on limestone and shale, one of the last large expanses of native tallgrass in North America. Small streams drop over limestone ledges in shaded valleys.
Marshall County holds 2 recorded waterfalls, and several are close by. Alcove Spring Falls, is about 4.6 miles away.
Idlewild Falls is located at 39.7084° N, 96.7458° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.