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Porthnanven Beach (St Just) (Cot Valley)

beach info
weather & tides
Porthnanven Beach (St Just) - Cornwall

© Maurice D Budden and licensed for reuse under this Creative Commons Licence

Known locally as Cot Valley, Porthnanven is a rocky little cove in the far west of Cornwall near Cape Cornwall.
The beach lies at the end of a long, winding valley which passes from lush greenery to mining-scarred terrain. Just off the coast here are the Brisons - two large islets which are home to numerous sea birds.

What makes Porthnanven special are the boulders that make up the foreshore. These huge granite rocks have been worn smooth over the years with many now almost spherical. So popular were these rocks that the council had to stop people removing them to use as garden ornaments.

Cot Valley lies on the Southwest Coast Path, and is a popular stop off for walkers.

Also known as:

Cot Valley

Type of beach


Lifeguard service


Dogs friendly beach?

Restrictions may apply (usually from Easter until the end of Summer)

Cornwall dog friendly beaches »


  • Rock pooling


Nearest town



TR19 7NP

OS grid ref.

SW 3558 3088