Porth Ceiriad is a beach set in superb scenery at the southern end of the Llŷn Peninsula. It lies between the sandstone headlands of Trwyn yr Wylfa (to the east) and Trwyn Cilan. The shore is coarse sand and backed by cliffs of sand and boulder clay - keep a safe distance away. The western end is rockier and quieter. South facing and very sheltered it's a good beach for sunbathing and popular for most water sports, including surfing, swimming, body-boarding, water-skiing, kayaking and sailing. Rips can occur in surf conditions. Due to the usage of the bay by power-craft, make sure you can be seen if doing any snorkelling or distance swimming. Dogs are allowed at all times.
The beach is reached via a no-through road south of the village of Bwlchtocyn. This narrow lane is not signposted for Porth Ceiriad and can be difficult to find, but has a 'no-through road' sign at its junction. The lane leads to a camp site which has a car parking area overlooking the bay. Entrance is by means of an unmanned automatic barrier which issues a token that you'll need for exit. Access to the beach is then a 300 yard walk from the parking area. Alternative (P&D) parking can be found at Grid Ref : SH312253.
Surf conditions are best around mid to high tide. On a big swell waves refract from the cliffs on the east side, producing barrelling wedges. Beginners should keep away from this area.