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Travel information changes. Always check official sources before you travel. Map data © OpenStreetMap contributors.

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United States
New England
Vermont
Northwest Vermont
Grand Isle County
Chazy Reef Formation

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Chazy Reef Formation

Grand Isle County, United States

About

Possibly the world's oldest coral reef.

Sources and licences

Guide text adapted from the Wikivoyage article "Grand Isle County" by its contributors, available under CC BY-SA 4.0. Read on Wikivoyage · Contributors · CC BY-SA 4.0

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Visitor information

Website: Official website

Details as listed in the travel guide. Opening hours and prices change, so check before you go.