Discover the amazing giant ice wall of Warner Hollow near Windsor. This frozen monument of blue, white and tan ice is one of the most spectacular winter sites in Ohio. Also includes exploring a frozen waterfall, covered bridge and remnants of an ancient Erie Indian fortification. Warner Hollow has a variety of forest communities reflecting different exposures, elevation and moisture. From dry hilltop to floodplain terraces, the diversity of tree species reveals ancient and recent geologic processes. One-mile hike with steep hills, which may be wet/ snowy depending on weather and creek conditions, waterproof boots recommended.