2 articles
Grand Lake St. Marys State Park
Grand Lake St. Marys State Park, in Mercer and Auglaize counties, western Ohio, centers on Ohio's largest inland lake, built 1837–1845 as a feeder reservoir for the Miami and Erie Canal and dedicated as a state park in 1949.
Hocking Hills State Park
Hocking Hills State Park, Hocking County, Ohio: six scenic areas (Old Man's Cave, Ash Cave, Cedar Falls, Cantwell Cliffs, Rock House, Conkle's Hollow) carved from Black Hand Sandstone; 26 trail miles; 1.3–5 million annual visitors.