Snakes in New Hampshire

Here are common snakes found in New Hampshire, including no highly dangerous species in our core database. Tap any snake for a full identification profile.

Identify a snake in New Hampshire Snake bite first aid

Beneficial

Harmless snakes in New Hampshire

Detailed image of a Timber Rattlesnake with focus on its textures and patterns.

Mildly venomous

Eastern Hognose Snake

Heterodon platirhinos

A harmless toad-eater famous for its theatrics — it hisses, flattens its neck like a cobra, then flips over and plays dead. Rear-fanged with toxin that affects only amphibians.

Danger 1/5

Identifying snakes in New Hampshire

Knowing your location is one of the most powerful tools in snake identification. Many snakes look similar, but the species actually present in New Hampshire narrows the possibilities dramatically. When you use our snake identifier, factor in your state to boost confidence — and if you ever spot a snake you can't identify, treat it as potentially dangerous and keep your distance.