List of reported lake monsters

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Below is a list of lake monsters that have been reported worldwide in lakes, reservoirs, ponds and marshes. River monsters and lagoon monsters are not included, nor are confirmed hoaxes and misidentifications, though most of the creatures listed here lack any scientific basis.


LakeAreaCountryContinentNameType or descriptionFirst reported sightingLast reported sightingNotes
Cowichan Lake British Columbia CanadaNorth AmericaStin-qua
Okanagan Lake British Columbia CanadaNorth AmericaOgopogoGreen in color, three humps in the water and a horse-like bearded head.19262011A sighting was reported by the team of Genesis Park.
Seneca Lake New York USANorth AmericaThe SerpentAbout twenty-five feet long, with a tail which tapers until within about five feet of the end, where it broadens out to look much like a whale. Its head is approximately four feet long and triangular in shape. Its mouth is very long and was armed with two rows of triangular white teeth as sharp as those of a shark, but in shape more like those of a sperm whale. Its body is covered with a horny substance which is as much like the carapace of a terrapin which is brown in color and of a greenish tinge. Its eyes are round like those of a fish. (The Geneva Gazette, July 15, 1899 account by George R. Elwood, Geologist)[1]1800'sNRPossibly related to "Old Greeny" found in Cayuga Lake, Ithaca, NY
Cayuga Lake New York USANorth AmericaOld GreenyA sea serpent or eel-like creature. Sightings approximate length from 13–35 feet. Multiple accounts of sightings reported in the Ithaca Journal from 1887 - 1979. It is believed that the creature may be related to the Seneca Lake serpent.[2]18282011Sightings began in 1828 shortly after the lake was connected with the Erie Canal. Because of the lake's connection to the Canal, it is believed that the monster may be some sort of a sea creature.
Reindeer Lake Saskatchewan CanadaNorth America
Thetis Lake British Columbia CanadaNorth AmericaThetis Lake MonsterPossible escaped Tupinambis lizard.
Lake Manitoba Manitoba CanadaNorth AmericaManipogo
Lake Winnipegosis Manitoba CanadaNorth AmericaWinnipogo
Lake Utopia New Brunswick CanadaNorth AmericaLake Utopia Lake Monster
Crescent Lake Newfoundland CanadaNorth AmericaCressie
Lake Simcoe Ontario CanadaNorth AmericaIgopogoAlso known as Kempenfelt Kelly.
Muskrat Lake Ontario CanadaNorth AmericaMussie
Lake Superior Ontario CanadaNorth AmericaMishipeshuhead and claws of a panther, but with scales and spines
Lake Ontario Ontario CanadaNorth AmericaKingstie(USA/Canada)
Lake Temiskaming Ontario CanadaNorth AmericaMugwump
Thunder Bay Ontario CanadaNorth AmericaUgly Mermanmerbeing
Lake of the Woods Ontario CanadaNorth AmericaWoodsieLake of the Woods lies partly in the USA.
Lake Memphrémagog Quebec CanadaNorth AmericaMemphréLake Memphrémagog lies partly in the USA.
Lac Decaire Quebec CanadaNorth AmericaLizzie
Lac Pohénégamook Quebec CanadaNorth AmericaPonik
Lac Simon Quebec CanadaNorth AmericaWhite shark
Lac Hertel Quebec CanadaNorth AmericaLe Monstre du Lac HertelPopularized by a song by Groovy Aardvark; no sightings seem to have been reported. The lake has a maximum depth of only 9 m (29.5 ft), insufficient for a "monster" to hide.
Iliamna Lake Alaska USANorth AmericaIlliePossibly a relict population of White Sturgeon
White River Arkansas USANorth AmericaWhite River Monster, "Whitey"This monster is said to have been responsible for overturning a confederate munitions boat during the civil war.
Lake Elsinore California USANorth AmericaHamlet
Lake Tahoe California USANorth AmericaTahoe Tessie(California/Nevada)
Fish Lake California USANorth AmericaGiant salamander
Homer Lake California USANorth AmericaManitou
Scott Lake Washington USANorth AmericaLarry the 'Lympianalso known as "Sage" and "Kardnos"Reportedly sighted near public restrooms on Olympia's Capitol Lake
Lake Chelan Washington USANorth AmericaTsillyGenerally seen as a wake in the lake followed by a head rising from the water.
Lake Tarpon Florida USANorth AmericaTarpie[3]
Payette Lake Idaho USANorth AmericaSharlie, Slimy Slim
Fulks Lake Indiana USANorth AmericaBeast of 'Busco, Oscar the Turtle
Lake Pepin Minnesota USANorth America"Pepe"
Red Lake/Mille Lacs/Others Minnesota USANorth AmericaOuampenanagoagPossible overgrown lake sturgeon; known for supposedly eating the dead.
Flathead Lake Montana USANorth AmericaFlathead Lake Monster
Lake Hopatcong New Jersey USANorth America"lake Hopatcong Monster"[4]Featured in the book Wierd N.J. Vol. 1.
Lake Champlain New York


 USANorth AmericaChampA reptilian creature, 20 to 40 feet in length, with a long neck, and four flippers, or webbed feet. Possibly capable of echolocation.(USA/Canada)
Lake Willoughby Vermont USANorth AmericaWillyA serpent-like creature, claimed to be up to 23 feet in length. May be a large freshwater eel.(USA/Canada)
Hudson River New York USANorth AmericaHudson River Monster, "Kipsy"
Lake Erie Ohio USANorth AmericaBessie, South Bay Bessie(USA/Canada)
Lake Ray Hubbard Texas USANorth America"Josh", the Lake Ray Hubbard MonsterXiphactinus(USA/Canada)
Lake Oologah Oklahoma USANorth America"Ooly", the Oologah Lake MonsterLeptocleidus
Bear Lake Idaho


 USANorth AmericaBear Lake Monster, IsabellaCrocodilianThe creature can supposedly crawl onto the shore.
Lake Thunderbird Oklahoma USANorth AmericaOklahoma Octopusfreshwater Octopus
Wallowa Lake Oregon USANorth AmericaWally
Raystown Lake Pennsylvania USANorth America"Raystown Ray"[5]Featured on the Syfy program Fact or Faked: Paranormal Files.
Great Salt Lake Utah USANorth AmericaNorth Shore MonsterMonster crocodilian
Rock Lake Wisconsin USANorth America"Rocky"
Yellowstone Lake Wyoming USANorth America"Teddy"Named after former President Theodore Roosevelt.
Arenal Lagoon[6][7]Alajuela Costa RicaNorth AmericaA serpentine Lake animal similar to Nessie

Lake Nahuel Huapi

 Río Negro Province and  Neuquén Province ArgentinaSouth America"Nahuelito"
Lago Dilolo AngolaAfricaChipekwe
Mamfe Pool CameroonAfricaMokele-mbembe
Lake Chad ChadAfricaAuli
Dilolo Swamps Democratic Republic of the CongoAfricaChipekwe
Lake Edward Democratic Republic of the CongoAfricaIrizima
Maika marshes Democratic Republic of the CongoAfricaMahamba
Lake T'ana EthiopiaAfricaAuli
Lake Victoria KenyaAfricaLukwata
Lake Makele Republic of the CongoAfricaMokele-mbembe
Lake Tebeki Republic of the CongoAfricaMokele-mbembe
Lake Télé Republic of the CongoAfricaMokele-mbembe
Lake Tanganyika TanzaniaAfricaChipekwe, Pamba
Lake Bangweulu ZambiaAfricaChipekwe
Kafue Flats ZambiaAfricaChipekwe
Lake Mweru ZambiaAfricaChipekwe
Lake Shiwa Ngandu ZambiaAfricaChipekwe
Bangweulu Swamp ZambiaAfricaNsanga
Lake Kashiba ZambiaAfricaIchitapa
Lake Kariba ZimbabweAfricaNyaminyamiSeason 4 episode 3 of River Monsters reveals that Nyaminyami was inspired by the Vundu Catfish, southern Africa's largest fish
Bassenthwaite Lake England United KingdomEuropeEachy
Windermere England United KingdomEuropeBow-Nessie
Llangorse Lake Wales United KingdomEuropeGorsey
Llyn Tegid Wales United KingdomEuropeTeggie
Loch Ness Scotland United KingdomEuropeNessieThe most famous lake monster and one of the most familiar cryptids.
Loch Morar Scotland United KingdomEuropeMorag
Loch Maree Scotland United KingdomEuropeMuc-sheilch
Wardersee Schleswig-Holstein GermanyEuropeRholdiThis monster has not yet been observed by witnesses or technologyRholdi is said to have been responsible for overturning a canoe with two passengers in April 2009. As an apparent act of apology on Rholdi's part, hours later when the passengers were already safely ashore, the sinking canoe was flipped back over and brought to shore (empty of water) and tied up to the jetty; meanwhile no one around the lake had done or seen a thing.
Lagarfljót IcelandEuropeLagarfljót Worm
Lakes of Killarney Munster IrelandEuropeMuckie
Lake Como ItalyEuropeLariosauro
Lake Garda ItalyEuropeBennieGiant European eel or Wels catfish
Lago Gerundo ItalyEuropeTarantasioDragon
Po river ItalyEuropeHomo SaurusReptilian humanoid
Ampollino lake ItalyEuropeA sea monster similar to Nessie
Lake Maggiore Italy


EuropeGiant Wels catfish
SeljordsvatnetTelemark NorwayEuropeSeljordsormen
Storsjön SwedenEuropeStorsjöodjuretin Jämtland
Gryttjen SwedenEuropeGryttiein Hälsingland
Varberg Fortress SwedenEuropeVarberg Fortress Moat Monster
Brosno Lake Tver Oblast RussiaEuropeBrosno DragonAlso known as Brosnya.
Labynkyr Lake Sakha Republic RussiaAsiaLabynkyr Monster
Lake Khaiyreastern Siberia RussiaAsia
Lake Van TurkeyAsiaLake Van Monster
Lake Kanas[8] ChinaAsiaLake Kanas Creatures
Tian ChiLake Tianchi ChinaAsiaLake Tianchi MonsterLake Tianchi is also known as Lake Chonji, and is also located in North Korea.
Lake IkedaKagoshima JapanAsia"Issie"

Lake Kussharo

Hokkaidō JapanAsia"Kusshii"
Lake Chini Pahang MalaysiaAsia"Naga Tasik Chini"Dragon
Lake PinatuboZambales PhilippinesAsiaPinatubo monster[9]Serpent like creature
Lake Argyle Western Australia AustraliaAustraliaAggie
Lake Modewarre Victoria AustraliaAustralia"Bunyip"
Lake Coleridge New ZealandZelandia"Lakey"
Walkato RiverNorth Island New ZealandZelandia"Taniwha"A eel-like creature, about 10 feet long, with milky white skin, a frill down its back and powerful jaws.In 1876, it was blamed for drowning a girl in the lake. New Zealand once stopped its largest highway, claiming it was over the creatures habitat.

See also[edit]


  • Coleman, Loren; Huyghe, Patrick (2003). "Appendix". The Field Guide to Lake Monsters, Sea Serpents, and Other Mystery Denizens of the Deep. Trumbore, Harry; Lee Rollins, Mark. New York, New York: Penguin Group. p. 358. ISBN 1-58542-252-5. 

External links[edit]