Oregon
Snakes in Grant County
7 species have been documented here, 2 of them venomous.
Venomous snakes in Grant 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 Grant County

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Gopher Snake
Pituophis catenifer
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

North American Racer
Coluber constrictor
Harmless

Western Rattlesnake
Crotalus oreganus
Venomous

Prairie Rattlesnake
Crotalus viridis
Venomous

Northern Rubber Boa
Charina bottae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Grant County: FAQ
- Are there venomous snakes in Grant County, Oregon?
- Yes. 2 venomous snake species have verified records in Grant County, Oregon, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Grant County, Oregon, however, are harmless.
- How many snake species live in Grant County, Oregon?
- 7 snake species have verified records in Grant County, Oregon, of which 2 are venomous.
- What is the most commonly seen snake in Grant County, Oregon?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Grant County, Oregon, based on verified wildlife observations.
- What should I do if I see a venomous snake in Grant County, Oregon?
- 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.