Blue Hole (Castalia)

Bodies of water of Erie County, OhioLakes of OhioLandmarks in OhioPonds of the United StatesSinkholes of the United States

The Blue Hole is a fresh water pond and cenote located in Castalia, Erie County, Ohio, in the United States. From the 1920s to 1990 the Blue Hole was a tourist site, attracting 165,000 visitors annually at the height of its popularity, partly because of its location on State Route 269, about 7 miles (11 km) southwest of the Cedar Point amusement park in Sandusky, Ohio. The Blue Hole was known to American Indians and was first recorded in history in 1761.The Blue Hole captured the public’s interest because of its size, about 75 feet (23 m) in diameter, clarity, vibrant blue hue, and enigmatic "bottomless" appearance. Contrary to prevalent belief, the depth of the Blue Hole is not unknown, but has been sounded and found to be about forty-three to forty-five feet (13.1 to 13.7 m) deep. Water temperature is about 48 °F (9 °C) throughout the year. Floods and droughts have no effect on temperature or water level. The Blue Hole is fed by a passing underground stream which discharges 7 million US gallons (26,000 m3; 5.8×10^6 imp gal) of water daily into Sandusky Bay to the north, feeding into Lake Erie. The water contains lime, soda, magnesia and iron, and because the Blue Hole is anoxic, it cannot naturally sustain fish. The surrounding terrain is developed on limestone bedrock and exhibits karst topography due to dissolution of the limestone by ground water, creating a cenote, a water-filled sinkhole. Several similar cenotes are known to local residents. The Blue Hole that once was a tourist attraction is now off limits to the public. It is located on the grounds of Castalia Trout Club, a privately owned fishing club. It is to be distinguished from another cenote, similar in size and eerie bluish-green color, owned by the Castalia State Fish Hatchery and operated by the Ohio Department of Natural Resources, Division of Wildlife, which is open for public viewing and which has grown in popularity since the closure of the Blue Hole in the late 1990s.

Excerpt from the Wikipedia article Blue Hole (Castalia) (License: CC BY-SA 3.0, Authors, Images).

Blue Hole (Castalia)
North Washington Street, Margaretta Township

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Geographical coordinates (GPS)

Latitude	Longitude
N 41.405944444444 °	E -82.806861111111 °

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Address

North Washington Street

North Washington Street
44824 Margaretta Township
Ohio, United States
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Nearby Places

Castalia, Ohio

Castalia is a village in Erie County, Ohio, United States. The population was 774 at the 2020 census. It is part of the Sandusky, Ohio Metropolitan Statistical Area.

Margaretta High School

Margaretta High School is a public high school in Castalia, Ohio. It is the only high school in the Margaretta Local Schools district. They are members of the Sandusky Bay Conference.

Margaretta Township, Erie County, Ohio

Margaretta Township is one of the nine townships of Erie County, Ohio, United States. It is part of the Sandusky, Ohio metropolitan statistical area. As of the 2010 census the population was 5,981, 4,497 of whom lived in the unincorporated portions of the township.

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