Physical Description
A large aquatic creature described as a plesiosaur-like animal with a long neck, small head, and a body the size of a large boat. Witnesses consistently describe a dark, greenish-black hide and a serpentine movement through the water. Estimated length ranges from 20 to 187 feet across different accounts.
Legend & Lore
Lake Champlain, straddling the border of Vermont and New York, has been associated with a mysterious lake creature since at least 1609, when explorer Samuel de Champlain reportedly recorded an encounter with a large, serpentine animal. The creature — affectionately known as "Champ" — has been sighted over 300 times since then, making it one of the most frequently reported lake monsters in North America.
The 1977 Mansi Photograph — Sandra Mansi photographed what appears to be a large, long-necked creature surfacing in Lake Champlain near St. Albans Bay, Vermont. The photograph was analyzed by scientists at the University of Arizona and Kodak, who confirmed it had not been tampered with.
Sightings Chronicle
Samuel de Champlain's Account
⚠ Key EventExplorer Samuel de Champlain records an encounter with a large, serpentine creature in the lake that now bears his name. His description of a creature "5 feet long, thick as a barrel, with a horse-like head" is cited as the earliest European record of the creature.
First Newspaper Report
The Plattsburgh Republican publishes the first newspaper account of the lake monster, describing a creature "with the appearance of a serpent" seen by Captain Crum near Bulwagga Bay. The report sparks widespread public interest in the creature.
P.T. Barnum Offers Reward
Showman P.T. Barnum offers a $50,000 reward for the hide of "the great Lake Champlain sea serpent," following a wave of sightings reported by railroad workers along the lake's shore. The reward is never claimed.
The Mansi Photograph
⚠ Key EventSandra Mansi photographs what appears to be a large, long-necked creature surfacing in Lake Champlain. The photograph is analyzed by scientists at the University of Arizona and Kodak, who confirm it has not been tampered with. It remains the most compelling photographic evidence of Champ.
Bioacoustic Evidence
⚠ Key EventResearchers from the Fauna Communications Research Institute record echolocation clicks in Lake Champlain similar to those produced by beluga whales or orcas — neither of which inhabit the lake. The recordings suggest the presence of an unknown large aquatic animal.
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