The Blue Hole


The Blue Hole is a freshwater pond and was a tourist site from the 1920s to 1990 and had 165,000 visitors annually.

The Gateway to the Blue Hole, Castalia, Ohio (1936)
Blue Hole Entrance, Castalia, Ohio (1940)
Watching the Fish in the Trout Stream at the Blue Hole, Castalia, Ohio (1927)
Walk Along Trout Stream at Blue Hole, Castalia, Ohio (Date Unknown)
Mill Pond and Fish Hatchery, Blue Hole, Castalia, Ohio (Date Unknown)
The Famous Blue Hole, Castalia, Ohio (Date Unknown)
Entrance to Blue Hole, Castalia, Ohio (Date Unknown)
One of the Many Beauty Spots at the Blue Hole, Castalia, Ohio (Date Unknown)
The Aerating Water Wheel at the Blue Hole, Castalia, Ohio (Date Unknown)