About
The walk from Newborough Beach across the dunes and along the shore to Ynys Llanddwyn — a narrow tidal promontory jutting into Caernarfon Bay — takes in one of Wales's most romantic landscapes, combining white sand, Corsican pine forest, and a ruined 16th-century church dedicated to St Dwynwen, Wales's patron saint of lovers whose feast day falls on 25 January. Atlantic grey seals haul out on the rocks below the headland from September through March, the twin lighthouses add drama to the western tip, and the views back to Newborough Warren and north to Snowdonia are among the finest on the island. The round trip from Newborough car park (paid, LL61 6RS) is 5–6 miles on mostly flat terrain; the causeway to the island stays passable on foot at all but the highest spring tides, but check conditions before setting out in stormy weather.
Suitable for
Accessibility
Getting there & parking
Frequently asked questions
Can we see grey seals?
Yes — grey seals rest on the rocks around the western tip of Llanddwyn Island from September to March. Binoculars help but they're often visible from the path with the naked eye.
Is the island cut off at high tide?
Llanddwyn is technically a tidal island but the path to it is passable on foot throughout most tidal cycles. At exceptional spring tides the lowest section of beach can flood briefly — check a tide table if you're visiting in stormy conditions.
How far is it from the car park?
About 2.5 miles each way from the main Newborough car park, through the dunes and along the beach. Allow 5–6 miles total for the round trip.
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