Water Monster reports in Idaho
6 cases, best-documented first. Page 1 of 1.
We map claims, not creatures. A case is what some source says someone saw or heard, with the link to that source. It is not proof that anything was there, and a retelling counts once, not as a second sighting.

Water Monster · Oneida County, Idaho · 1871
William Budge reports that he, William Broomhead, and Milando Pratt observed a large, furry aquatic animal with a fox-like face swimming near the shore of Bear Lake before it dived.

Water Monster · McCall, Idaho · 1944
Witnesses report sighting a large, yellowish, humped creature in Payette Lakes that one skeptic initially mistook for fish.

Water Monster · Valley County, Idaho · 1945
Seven Kimberly fishermen verified a story that a farmer near Mattie dam saw a strange critter sliding across a cow pasture.

Water Monster · Valley County, Idaho · 1945
Veteran local fisherman Jim Hamby reported seeing a sea serpent over 20 feet long that had dug a cave in the bank of Magic reservoir.

Water Monster · Valley County, Idaho · 1945
An angler reported seeing both ends of a sea serpent that had been cut in two by a train, with one end growing a new head.

Water Monster · Saint Maries, Idaho · 1890
Witness reports a water monster pursued and killed a swimmer in a lake near Mullen, Idaho, confirmed by an old Indian tradition.