The lake didn’t get its monster from a sighting. It got its monster from a mistranslation.

Samuel de Champlain kept a journal of everything he saw on his 1609 voyage down the water that would eventually take his name, including a large fish his Indigenous guides pointed out to him: long-bodied, armor-scaled, a snout full of teeth. What he described was almost certainly a longnose gar, a fish that still cruises the lake today. Two centuries of retelling turned that fish into a sea serpent, and turned Champlain into the “first witness” of a monster he never actually claimed to see.

By the time newspapers got hold of the story, it didn’t need him anymore. On July 22, 1819, a scow captain named Crum reported something moving through Bulwagga Bay that he sized at 187 feet, with three crooked teeth, a white star on its forehead, a belt of red at its throat, and eyes the color of peeled onions. A description too specific to be nothing and too strange to verify. Railroad crews on the far shore filed a similar report that same season, and in 1873 the New York Times ran an account from another rail crew: a silver-scaled serpent, better than thirty feet, moving under its own power. P.T. Barnum smelled a paying attraction and put up a reward for the hide (twice, in 1873 and again in 1887) and collected neither time.

The 20th century gave the legend its one piece of hard evidence, or at least its one photograph nobody has fully explained away. On July 5, 1977, Sandra Mansi was picnicking near St. Albans when a dark head and neck broke the surface less than a hundred feet from shore. She got a single frame off with a Kodak before it went back under, then sat on the photo for four years before showing anyone. FBI photo analysts have measured it, argued about it, and landed on neither “real” nor “fake”: the leading skeptical read puts the object at roughly seven feet, with a floating log the next most likely explanation after an actual animal.

The lake has kept handing over half-answers since. A 2003 hydrophone survey picked up echolocation-like clicks with no visible source, structurally close enough to a beluga’s that the researchers flagged them and moved on. That’s a strange thing to find in fresh water four hundred miles from open ocean, until you remember an actual beluga whale skeleton came out of the ground eleven miles from the lake in 1849, during railroad construction, and was nearly written off as a dead horse before a local naturalist worked out what a whale was doing in Vermont: the Champlain Sea, an arm of the Atlantic that flooded this whole basin for twenty-five hundred years after the last ice age, before the land rebounded and sealed the ocean back out. Something that size lived here once, for real. A lake monster is a small ask by comparison.

Port Henry has never let the question drop. The town runs an annual Champ Day, keeps a public board in Bulwagga Bay where visitors add their own name to the sighting list, and treats the whole affair less like an unsolved mystery than a shared civic joke everyone’s agreed to keep playing straight.