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Bathing water quality in Gwynedd

Gwynedd has 20 designated bathing waters. The regulator's latest classifications are 18 Excellent and 2 Good.

Updated July 2026

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The cleanest beaches in Gwynedd

Rated Excellent or Good in the regulator's latest annual classification. Open any beach for today's live verdict.

Rated Excellent Aberdaron GwyneddRated Excellent Aberdyfi GwyneddRated Excellent Aberdyfi Rural GwyneddRated Excellent Abersoch GwyneddRated Excellent Barmouth GwyneddRated Excellent Craig Du Beach Central Gwynedd

Every bathing water in Gwynedd

Rated Excellent Aberdaron GwyneddRated Excellent Aberdyfi GwyneddRated Excellent Aberdyfi Rural GwyneddRated Excellent Abersoch GwyneddRated Excellent Barmouth GwyneddRated Excellent Craig Du Beach Central GwyneddRated Excellent Dyffryn (Llanendwyn) GwyneddRated Excellent Fairbourne GwyneddRated Excellent Glan Don Beach GwyneddRated Excellent Harlech GwyneddRated Excellent Llandanwg GwyneddRated Excellent Llyn Padarn GwyneddRated Excellent Morfa Dinlle GwyneddRated Excellent Morfa Nefyn GwyneddRated Excellent Porth Neigwl GwyneddRated Excellent Pwllheli GwyneddRated Excellent Tal-y-Bont GwyneddRated Excellent Tywyn GwyneddRated Good Criccieth GwyneddRated Good Porth Nefyn Gwynedd

Common questions

Which beach is cleanest in Gwynedd?
Aberdaron holds an Excellent classification, the regulator's top tier. 20 of the 20 bathing waters in Gwynedd are rated Excellent or Good.
How many bathing waters are in Gwynedd?
20. The regulator's latest classifications are 18 Excellent and 2 Good.