Washington
Snakes in Columbia County
8 species have been documented here, 2 of them venomous.
Venomous snakes in Columbia County
Full guide & what to do if bitten →
Western RattlesnakeCrotalus oreganusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Columbia County
Gopher Snake
Pituophis catenifer
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
North American Racer
Coluber constrictor
Harmless
Northwestern Garter Snake
Thamnophis ordinoides
Harmless
Northern Rubber Boa
Charina bottae
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Prairie Rattlesnake
Crotalus viridis
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Columbia County: FAQ
- Are there venomous snakes in Columbia County, Washington?
- Yes. 2 venomous snake species have verified records in Columbia County, Washington, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Columbia County, Washington, however, are harmless.
- How many snake species live in Columbia County, Washington?
- 8 snake species have verified records in Columbia County, Washington, of which 2 are venomous.
- What is the most commonly seen snake in Columbia County, Washington?
- The Gopher Snake is the most frequently reported snake in Columbia County, Washington, based on verified wildlife observations.
- What should I do if I see a venomous snake in Columbia County, Washington?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.