Snakes in Walla Walla County

• 
  Western Rattlesnake

  Crotalus oreganus

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Prairie Rattlesnake

  Crotalus viridis

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

Every snake recorded in Walla Walla County

Gopher Snake

Pituophis catenifer

Harmless

Western Terrestrial Garter Snake

Thamnophis elegans

Harmless

Western Rattlesnake

Crotalus oreganus

▲ Venomous

Common Garter Snake

Thamnophis sirtalis

Harmless

North American Racer

Coluber constrictor

Harmless

Northern Rubber Boa

Charina bottae

Harmless

Pine Snake

Pituophis melanoleucus

Harmless

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Striped Whipsnake

Masticophis taeniatus

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Walla Walla County: FAQ

Are there venomous snakes in Walla Walla County, Washington?

Yes. 2 venomous snake species have verified records in Walla Walla County, Washington, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Walla Walla County, Washington, however, are harmless.

How many snake species live in Walla Walla County, Washington?

9 snake species have verified records in Walla Walla County, Washington, of which 2 are venomous.

What is the most commonly seen snake in Walla Walla County, Washington?

The Gopher Snake is the most frequently reported snake in Walla Walla County, Washington, based on verified wildlife observations.

What should I do if I see a venomous snake in Walla Walla 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.

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