Water Monster · Flathead Lake, Montana · 1937
MT-1937ID case-c14c9db2f3Added to map Nov 5, 2026
- Creature
- Water Monster
- When
- May 1937to the month
- Where
- Flathead Lake, Montanato approximate level
- Reports
- 1 document1 independent
The account
A fisherman reported seeing a mysterious "thing" swimming in Flathead Lake from the bridge at its south end.
See the source ↓ one document so far, so there is no trail to follow yet
We map claims, not creatures: this is what the sources say, not proof. How a case is built
Details
- Creature
- Water Monster
- Where
- Flathead Lake, Lake County, Montana, United States
mapped to approximate level · from the report's own words - When
- May 1937
- Account
- Not first-hand (retold or reported by someone else)
- Backed by
- 1 independent source
- Added to map
- Nov 5, 2026
- Case id
- case-c14c9db2f3
Place lookups use data © OpenStreetMap contributors (ODbL), via Nominatim. All credits
Source trail (1)
Every link goes to where we found the account. The earliest we found is marked; it is the earliest found, not necessarily the original.
- Image 4 of The Ronan pioneer (Ronan, Mont.), June 3, 1937
Newspaper · 1937-06-03
Earliest found, not necessarily the original.
Further reading
- The Great New England Sea Serpent, J. P. O'Neill (1999)
Account of the 1817 Gloucester sightings and later reports.
Borrow on Internet Archive - On the Track of Unknown Animals, Bernard Heuvelmans (1959)
The founding work of cryptozoology.
Borrow on Internet Archive - Cryptozoology A to Z, Loren Coleman and Jerome Clark (1999)
Encyclopedia of reported creatures.
Borrow on Internet Archive - Abominable Science!, Daniel Loxton and Donald Prothero (2013)
Skeptical history of the Yeti, Nessie and others.
Borrow on Internet Archive
Books we have not reproduced: borrow them free at archive.org. Listing a book is not an endorsement of its claims.