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A beach with a grassy bank to the right of the picture and the sea to the left and cloudy grey skies above
The beach at Porthdinllaen, Gwynedd | © National Trust Images/James Dobson
Wales

Porthdinllaen marine trail on the Llŷn Peninsula

This walk will reward you with stunning views in all directions as you follow it along a splinter of land that's an outstanding wildlife haven.

Total steps: 8

Total steps: 8

Start point

Car park at Morfa Nefyn, grid ref: SH281406

Step 1

Head to the far end of the car park, from where you'll have great views across the bay towards Pistyll and Trefor. Carry on down to the beach.

Step 2

Turn left onto the sand and follow the beach for about half a mile (0.8km) until you reach some unfinished sea defences.

View of the coastal village of Porthdinllaen with the sea and waves in the foreground in Gwynedd, Wales
The coastal village of Porthdinllaen, Gwynedd | © National Trust Images

Step 3

Continue along the sand until you reach a spit of land in the shoreline. This site was used for ship building in the 1830s and 40s, when the slate industry in Caernarfon was at its height.

The boathouse above the water with the cliffs in the background at Porthdinllaen, Gwynedd, Wales
The boathouse at Porthdinllaen | © National Trust Images / National Trust

Step 4

Carry on around the headland towards the hamlet of Porthdinllaen and the distinctive Ty Coch Inn ('Red House' in English).

Step 5

As you walk in front of the Ty Coch look along the tide-line for seagrass washed up onto the beach.

Step 6

Carry on past Caban Griff (a small information point) along the footpath leading across the rocks.

Step 7

Go up the steep slope past the lifeboat station onto the golf course. There's a fantastic view across the bay at this point.

Step 8

Follow the track back over the golf course towards the mainland. When you reach the club house, carry on through the golf course car park back towards Morfa Nefyn. Turn left into the National Trust car park where you started the walk.

A view of the beach and surrounding cliffs and countryside from above at Porthdinllaen, Gwynedd, Wales
Porthdinllaen from the skies, Gwynedd | © National Trust Images / National Trust

End point

Car park at Morfa Nefyn, grid ref: SH281406

Trail map

A map of the Porthdinllaen marine trail on the Llŷn Peninsula
A map of the Porthdinllaen marine trail on the Llŷn Peninsula | © Crown copyright and database rights 2013 Ordnance Survey

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Get in touch

Porthdinllaen, Morfa Nefyn, Gwynedd, LL53 6DA

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