Dogs and Adders in Norfolk

Learn more about what happens if you get bitten by an adder snake and what to do if the situation occurs.
Barked by Clara, A Cavalier King Charles Spaniel and junior repawter at the Barking Bulge

Barked By Clara | 1st June 2026 / Last Updated:

Dogs and Adders in Norfolk

When out and about in Norfolk do be aware that adders may also be about! They mainly hang out in areas of open heath and sand-dunes but they can also be found in woodlands.  They are the only venomous snake in Norfolk and you can come across them anywhere in the county but particular areas they like to inhabit are Thetford Forest, Croydon Common, Waxham Sands and Winterton Dunes.  

Adders are very shy and generally only bite when provoked.  They hibernate in the winter so most bites occur in the summer and they mainly occur on the face and legs. 

Signs of an adder bite include:-

Rapid swelling around the bite site

Pain

Lethargy

Collapse

Vomitting

Panting

Lameness

Bruising

Bleeding

If you think you’ ve been bitten (even if you’re not 100% sure or did not see the snake) contact a vet immediately and tell them you’re on your way.  A list of vets can be found at  Vets in Norfolk

Try not to walk as walking may help spread the venom around the area or further into the bloodstream.

Do not wait to see if there is a reaction.  Vet attention is required immediately and it is most likely you will require anti-venom.

If there are adders about generally signage will be put up.  To prevent getting  bitten stick to the main paths and stay close to you human on your walks.  Be especially careful in long grass and around stone walls where adders like to sleep.

Be very vigilant when walking through sand dunes.  The good news is that adders are rarely found on the beaches away from the dunes, so if you are really worried just head for the beach.  For details of the best dog friendly beaches in Norfolk head over to our Doggy Tourist Guide.

Stay Safe Pals.

Woofs Clara


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