Located right on the shores of Lake Erie, Geneva State Park has 698 acres of park and includes a large wooded campground. Explore the shoreline for agates or look for interesting driftwood, swim off the sandy beach, try your hand at some fishing.
The largest lake in Ohio (besides Lake Erie of course) is Pymatuning Lake. It shares the border with Pennsylvania, but on the Ohio side is the Pymatuning Lake Park Campground. Head to the lake for a swim at the beach or take a boat out for some fishing.
Halfway between Toledo and Cleveland is the very popular Cedar Point. Out on this peninsula on Lake Erie is everything you can imagine for an unforgettable vacation.
For some of the best hiking in Ohio, you have to visit Hocking Hills State Park. Hike to the Whispering Falls, the Rose Lake overlook or check out the large rock formations around Whispering cave.