Welcome to the Glacial Grooves State Memorial. This memorial, containing of three and one-half acres on Kelleys Island, has been administered by the Ohio Historical Society since 1932.
Impressive is size and shape, these glacial grooves are of …
Between three and four hundred years ago, Ohio pre-historic Indians, believed to be of the Erie tribe, pecked numerous inscriptions or pictographs on the top surface of this large native limestone rock. The figures, now nearly obliterated by the e…