Doire Fhíonáin (Derrynane)

Doire Fhíonáin (Derrynane) is classified as achieving Excellent Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Doire Fhíonáin (Derrynane) has achieved an Excellent Water Quality rating for the four consecutive years 2022 to 2025. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.

Doire Fhíonáin (Derrynane) is a south westerly facing sandy beach backing onto sand dunes. It is exposed to Atlantic wave action and westerly winds. The beach is backed by a sand-dune system, and beyond this is a mixture of woodland, wetland and un-enclosed upland/rough grazing. Activities include swimming, walking, surfing and windsurfing, canoeing and angling. The identified bathing water is approximately 160m in length, however, it is part of a larger beach which extends from Abbey Island eastwards beyond Derrynane House.