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Devil's Well Near Akers Ferry and The Current River in Missouri, A Sink Hole that opens into the largest under ground lake, 400 ft X 100ft, 80 to 100 ft deep. This Karst limestone water system supply's Cave Spring, Wallace Well, and also flows to unknown sub surface aqueduct Springs and waterways.
Devil's Well was first explored in 1954. If You visit you will get to look down the sink hole opening above the lake, It is only a small view of the main water room. Take Several Powerful Flash lights as the installed Lighting is Inoperable. The sound of the Rushing Water below is impressive.