Porthallow

12.9°C Water temp · May 5

United Kingdom Coastal 1 - Excellent 12.9°C

Porthallow is on the south coast of Cornwall. It is a remote pebble and shingle beach, approximately 150 metres wide, surrounded by hills. A stream flows onto the beach.

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Water

Coastal bathing water

Location

Cornwall

Season

Designated bathing water since 1988. Official monitoring season runs from May to September.

Water Quality

Excellent (2025). Assessed under rBWD

Risks

The emergency/storm overflow from the Porthallow STW, that discharges to the Porthallow Stream approximately 80m upstream of the bathing water. The operation of the overflow can lead to a temporary drop in water quality in the Porthallow Stream and Porthallow bathing water.