Twin caves

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Twin Caves boat tour

Twin Caves is part of the Shawnee Cave System located in Lawrence County, Indiana, within the boundaries of Spring Mill State Park. The system stretches just over three miles and includes Donaldson Cave, Bronson Cave, and Upper/Lower Twin Caves.

The park offers boat tours into Northern (Upper) Twin cave located in Spring Mill State Park. The tours last 20 minutes and go about 500 feet (150 m) back and turn around due to the rest of the cave system belonging to the Indiana Karst Conservancy.

The tours are operated by the Indiana Department of Natural Resources and are seasonal from Memorial Day - October.

Donaldson Cave, Bronson Cave and Lower Twin Caves are no longer open to the public due to White nose syndrome (WNS).[1][2]


  1. ^ "Shawnee Karst Preserve". The Nature Conservancy. Retrieved 2013-02-17. 
  2. ^ "Spring Mill State Park". Indiana Department of Natural Resources. Retrieved 2013-02-17.