Flathead Lake Monster
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An eel- or serpent-like animal reported in Montana's Flathead Lake.
Folklore Verdict: Unproven; a large fish is the likeliest source.
- Region
- North America · US West · United States
- First reports
- 1889 (steamboat passenger report)
Key sightings
- A captain of the steamboat U.S. Grant reported a large creature in 1889.
Best evidence
Reports only; large sturgeon have been suggested.