Colorado records
Western Terrestrial Garter Snake in Colorado
HarmlessThamnophis elegans

Yes. The Western Terrestrial Garter Snake has been recorded in 52 Colorado counties. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
Colorado counties with Western Terrestrial Garter Snake records
52 listed- Boulder
- Jefferson
- Larimer
- El Paso
- Douglas
- Arapahoe
- Gunnison
- La Plata
- Routt
- Denver
- Archuleta
- Montezuma
- Eagle
- Mesa
- Garfield
- Moffat
- Grand
- Saguache
- Pitkin
- Rio Blanco
- Adams
- Huerfano
- Teller
- Pueblo
- Park
- Chaffee
- Las Animas
- Rio Grande
- Montrose
- Conejos
- Summit
- Mineral
- Fremont
- Delta
- Hinsdale
- Weld
- San Miguel
- Alamosa
- Gilpin
- Ouray
- Custer
- Lake
- Jackson
- Baca
- Elbert
- Clear Creek
- Dolores
- San Juan
- Costilla
- Broomfield
- Otero
- Bent
See the full Western Terrestrial Garter Snake profile or all snakes in Colorado.