Shawnee Cave (also called Donaldson Cave or Donaldson-Bronson Cave) is located in Spring Mill State Park in the state of Indiana. Access to the cave is controlled by the Indiana Department of Natural Resources.Shawnee Cave is the last of three underground passages, totaling just over 8,000 feet, of a stream that originates southeast of the park, and flows through Twin Caves and Bronson Cave, within the park.