Pennsylvania
Snakes in Lebanon County
11 species have been documented here, 2 of them venomous.
Venomous snakes in Lebanon County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Lebanon County

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Queensnake
Regina septemvittata
Harmless

Eastern Ratsnake
Pantherophis alleghaniensis
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

North American Racer
Coluber constrictor
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Common Wormsnake
Carphophis amoenus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Lebanon County: FAQ
- Are there venomous snakes in Lebanon County, Pennsylvania?
- Yes. 2 venomous snake species have verified records in Lebanon County, Pennsylvania, including Timber Rattlesnake, Eastern Copperhead. Most snakes in Lebanon County, Pennsylvania, however, are harmless.
- How many snake species live in Lebanon County, Pennsylvania?
- 11 snake species have verified records in Lebanon County, Pennsylvania, of which 2 are venomous.
- What is the most commonly seen snake in Lebanon County, Pennsylvania?
- The Common Garter Snake is the most frequently reported snake in Lebanon County, Pennsylvania, based on verified wildlife observations.
- What should I do if I see a venomous snake in Lebanon County, Pennsylvania?
- 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.