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Wales Beach Guide
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Porth Trwyn

marine conservation society
Porth Trwyn

Porth Trwyn is a small beach on Anglesey's western shore, consisting of low-tide sand and rocks and shingle at the top of the beach. There is usually a line of rotting seaweed which can be somewhat malodorous as well as concealing rock-pools when stepped on. It's situated about 1¼ miles west of Llanfaethlu on the A5025. A small (free) car parking area on stony ground is located between the road and the beach. Access to the shore is along a short track. The coast on either side is indented by numerous small coves.

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