Water Monster reports in Oregon
3 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 · Astoria, Oregon · 1939
Skipper Chris Anderson and his crew reported a monster with great staring eyes and a neck 10 feet long broke water near their schooner Argo.

Water Monster · Cottage Grove, Oregon · 1934
Reports claim a monster was seen in a lake in the Cascade Mountains over the past 30 years.

Water Monster · Oregon · 1937
Witnesses report sighting a sea serpent among tuna fish off the Oregon coast before it sank.