Devils Well, Ozark National Scenic Riverways

Devils Well is a sinkhole cave near Akers in the U.S. state of Missouri, containing an underground lake that is the largest in the state. It is a part of the Ozark National Scenic Riverways and can be viewed by the public any day during daylight hours. The U.S. Park Service has set up a metal staircase and a switch-activated light; however, it is recommended that visitors bring additional light sources. ()