Devil's Backbone (rock formation)
Devil's Backbone is a rock formation at the mouth of Fourteenmile Creek on the Ohio River in Charlestown State Park near Charlestown, Indiana. On this bedrock ridge once stood a stone fortress that was supposedly built by Welsh explorers led by the legendary Prince Madoc sometime in the 12th century.
The Backbone is believed to have been formed by the processes of glaciation where a combination of ice sheet advances, meltwater flows and a diversion of the Ohio River left an isolated bedrock ridge remaining between two valleys.
Rose Island, an amusement park popular during the 1920s that was destroyed by the 1937 Flood, stood on this rugged peninsula and the nearby surrounding area.
External links
- Geology Laboratory Manual, Hanover College — includes a more detailed description of how the Backbone probably was formed.
- Information about Rose Island
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