Spring Mill State Park

Spring Mill State Park is a 1,358-acre (5 km2) state park in the state of Indiana. The park is located to the south of Bloomington, about 3 miles (5 km) east of the town of Mitchell on Indiana Highway 60. The park is located on the Mitchell Karst Plain, which allowed the park's caves and sinkholes to form in the limestone. The caves include Bronson Cave, Twin Caves, Shawnee Cave (Donaldson Cave), Hamer Cave, and others. A boat tour of Twin Caves is run by the Indiana Department of Natural Resources, which travels about 500 feet (150 m) into the cave.

Spring Mill State Park

Spring Mill State Park is a 1,358-acre (5 km2) state park in the state of Indiana. The park is located to the south of Bloomington, about 3 miles (5 km) east of the town of Mitchell on Indiana Highway 60. The park is located on the Mitchell Karst Plain, which allowed the park's caves and sinkholes to form in the limestone. The caves include Bronson Cave, Twin Caves, Shawnee Cave (Donaldson Cave), Hamer Cave, and others. A boat tour of Twin Caves is run by the Indiana Department of Natural Resources, which travels about 500 feet (150 m) into the cave.