Arizona records
Black-necked Garter Snake in Arizona
HarmlessThamnophis cyrtopsis

Yes. The Black-necked Garter Snake has been recorded in 13 Arizona counties. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
Arizona counties with Black-necked Garter Snake records
13 listedSee the full Black-necked Garter Snake profile or all snakes in Arizona.