Glacial Grooves


The deep scars in the limestone here – which a glacier rubbed in some 18,000 years ago – are the largest and most easily accessible grooves in the world. Look down from the walkway and stairs and behold gouges that are 400ft long, 35ft wide and up to 10ft deep.

Lonely Planet's must-see attractions

Nearby Ohio attractions

1. Kelleys Islands State Park

0.13 MILES

The park features a popular campground with 126 tent and RV sites ($17 to $39), 6 miles of hiking trails with birds flitting by and a secluded, sandy…

2. Inscription Rock Petroglyphs

1.63 MILES

Native Americans who used the island as a hunting ground carved symbols into this boulder on the island's south shore sometime between AD 1200 and 1600…

4. Gibraltar Island

6.58 MILES

The little island, named for its resemblance to the Rock of Gibraltar, was once owned by banker Jay Cooke, who built a 15-room, gothic-looking castle on…

5. Aquatic Visitors Center

6.85 MILES

Ohio State University operates this educational facility, where displays teach about Lake Erie’s ecosystem and its fish, snakes, bugs and other critters…

6. South Bass Island State Park

6.89 MILES

Set on top of white cliffs on the island's southwest side, the park moseys down to a fishing pier, small rocky beach and a vendor offering jet-ski and…

7. Fish Point Provincial Nature Reserve

8.05 MILES

This long sandy spit is the southernmost point of inhabited Canada (there are some tiny rock islands – like humps of whales skimming the water – just to…

8. Cedar Point Amusement Park

9.48 MILES

Cedar Point is one of the world's top amusement parks, known for its 18 adrenaline-pumping roller coasters. Stomach-droppers include the Top Thrill…