Snakes in Lassen 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 Lassen County

Western Terrestrial Garter Snake

Thamnophis elegans

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Sierra Garter Snake

Thamnophis couchii

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Western Rattlesnake

Crotalus oreganus

▲ Venomous

North American Racer

Coluber constrictor

Harmless

Pine Snake

Pituophis melanoleucus

Harmless

Northern Rubber Boa

Charina bottae

Harmless

Striped Whipsnake

Masticophis taeniatus

Harmless

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Ground Snake

Sonora semiannulata

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Lassen County: FAQ

Are there venomous snakes in Lassen County, California?

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

How many snake species live in Lassen County, California?

10+ snake species have verified records in Lassen County, California, of which 2 are venomous.

What is the most commonly seen snake in Lassen County, California?

The Western Terrestrial Garter Snake is the most frequently reported snake in Lassen County, California, based on verified wildlife observations.

What should I do if I see a venomous snake in Lassen County, California?

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.

Nearby counties