Pensarn is a suburb of Abergele, in Conwy County Borough, on the coast of north Wales. The name Pensarn means 'end of the causeway'. The crossing of Morfa Rhuddlan[clarification needed] was facilitated by a causeway near the sea at this location.

This causeway was later developed by holiday developments along the coast between Rhyl and Abergele.

Pensarn is served by Abergele & Pensarn railway station, the A55 road and National Cycle Route 5.

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