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

Gopher Snake
Pituophis catenifer
Harmless

Western Rattlesnake
Crotalus oreganus
Venomous

Common Garter Snake
Thamnophis sirtalis
Harmless

North American Racer
Coluber constrictor
Harmless

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

California Mountain Kingsnake
Lampropeltis zonata
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Northwestern Garter Snake
Thamnophis ordinoides
Harmless

Northern Rubber Boa
Charina bottae
Harmless

Desert Nightsnake
Hypsiglena chlorophaea
Harmless

Common Sharp-tailed Snake
Contia tenuis
Harmless

Striped Whipsnake
Masticophis taeniatus
Harmless

Pine Snake
Pituophis melanoleucus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Wasco County: FAQ
- Are there venomous snakes in Wasco County, Oregon?
- Yes. 2 venomous snake species have verified records in Wasco County, Oregon, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Wasco County, Oregon, however, are harmless.
- How many snake species live in Wasco County, Oregon?
- 10+ snake species have verified records in Wasco County, Oregon, of which 2 are venomous.
- What is the most commonly seen snake in Wasco County, Oregon?
- The Gopher Snake is the most frequently reported snake in Wasco County, Oregon, based on verified wildlife observations.
- What should I do if I see a venomous snake in Wasco 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.