Other Aquatic reports in Oregon
2 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.

Other Aquatic · Clatsop County, Oregon · 1990s
Witness reports feeling something brush against their leg in knee-deep water and seeing a creature with a triangular head, shorter neck, and long fins that was about a foot long.

Other Aquatic · Wallowa Lake, Oregon · 1982
Witness reports that [name] claimed a sighting of a 50-foot-long creature with seven humps in Wallowa Lake.