Tennessee
Snakes in Lewis County
17 species have been documented here, 3 of them venomous.
Venomous snakes in Lewis County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Lewis County
Common Watersnake
Nerodia sipedon
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
North American Racer
Coluber constrictor
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Queensnake
Regina septemvittata
Harmless
Black Kingsnake
Lampropeltis nigra
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Kingsnake
Lampropeltis getula
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Lewis County: FAQ
- Are there venomous snakes in Lewis County, Tennessee?
- Yes. 3 venomous snake species have verified records in Lewis County, Tennessee, including Eastern Copperhead, Northern Cottonmouth, Timber Rattlesnake. Most snakes in Lewis County, Tennessee, however, are harmless.
- How many snake species live in Lewis County, Tennessee?
- 10+ snake species have verified records in Lewis County, Tennessee, of which 3 are venomous.
- What is the most commonly seen snake in Lewis County, Tennessee?
- The Common Watersnake is the most frequently reported snake in Lewis County, Tennessee, based on verified wildlife observations.
- What should I do if I see a venomous snake in Lewis County, Tennessee?
- 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.