The glacial grooves seen here are among the best examples in the world. They were formed during the last ice age as the glacier advanced, pushing and grinding debris carving grooves into the limestone. The grooves are fenced in for protection but one can still get a good look walking the perimeter and there is a pedestrian bridge crossing the... More

This remnant from the glaciers that once covered northern Ohio is a little known geologic gem located on Kelleys Island. Everyone who goes to Kelleys should take a walk around this formation and read about the making of and discovery of the glacial grooves. More

We made a day trip to Kelley's Island and visited the grooves when we were there. They really are quite spectacular in terms of both depth and length. The formation of the grooves is fascinating and it's interesting to imagine the glaciers which caused them. If you are on Kelley's Island this is a must do More