Montana
Snakes in Hill County
3 species have been documented here, 1 of them venomous.
Venomous snakes in Hill County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Hill County

Prairie Rattlesnake
Crotalus viridis
Venomous

Gopher Snake
Pituophis catenifer
Harmless

Plains Garter Snake
Thamnophis radix
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Hill County: FAQ
- Are there venomous snakes in Hill County, Montana?
- Yes. 1 venomous snake species has verified records in Hill County, Montana, including Prairie Rattlesnake. Most snakes in Hill County, Montana, however, are harmless.
- How many snake species live in Hill County, Montana?
- 3 snake species have verified records in Hill County, Montana, of which 1 is venomous.
- What is the most commonly seen snake in Hill County, Montana?
- The Prairie Rattlesnake is the most frequently reported snake in Hill County, Montana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Hill County, Montana?
- 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.