Washington
Snakes in Cowlitz County
4 species have been documented here, and none are venomous.
Every snake recorded in Cowlitz County

Northwestern Garter Snake
Thamnophis ordinoides
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Northern Rubber Boa
Charina bottae
Harmless

North American Racer
Coluber constrictor
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Cowlitz County: FAQ
- Are there venomous snakes in Cowlitz County, Washington?
- No venomous snakes have verified records in Cowlitz County, Washington. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Cowlitz County, Washington?
- 4 snake species have verified records in Cowlitz County, Washington.
- What is the most commonly seen snake in Cowlitz County, Washington?
- The Northwestern Garter Snake is the most frequently reported snake in Cowlitz County, Washington, based on verified wildlife observations.