Onondaga Cave State Park
Onondaga Cave State Park is a Missouri state park located on the Meramec River approximately 5 miles (8.0 km) southeast of the village of Leasburg. The park was established in 1982. Park activities include cave tours, camping, fishing, hiking, picnicking, and swimming.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).