4.4
(17)
80
hikers
01:37
6.08km
60m
Hiking
Embark on the easy Porthdinllaen Marine Trail, a coastal hike offering stunning views of the Irish Sea. You will cover 3.8 miles (6.1 km) with a gentle elevation gain of 190 feet (58 metres), making it perfect for a relaxed outing. The route takes about 1 hour and 36 minutes…
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
AHNE Llŷn
Waypoints
Start point
Parking
Get Directions
1.02 km
Highlight • Beach
Tip by
1.82 km
Highlight • Natural
Tip by
6.08 km
End point
Parking
Way Types & Surfaces
Way Types
4.65 km
1.24 km
125 m
< 100 m
Surfaces
4.77 km
912 m
323 m
< 100 m
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Elevation
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Weather
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Friday 29 May
18°C
11°C
27 %
Additional weather tips
Max wind speed: 21.0 km/h
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This route was planned by komoot.
The trail typically starts from the car park in Morfa Nefyn. From there, you'll usually begin with a walk along the beach before heading towards Porthdinllaen village.
The trail is considered moderately challenging due to sections that can be steep, involve steps, and feature uneven parts of the coastal path. You'll encounter a variety of surfaces, including sandy beaches, rocky sections (especially at low tide), and paths that might be muddy. Appropriate footwear for beach, path, and some rocky areas is recommended.
Yes, the Porthdinllaen Marine Trail is a circular walk. It typically loops around the headland past the lifeboat station and onto the golf course, eventually returning towards Morfa Nefyn.
You'll enjoy spectacular coastal views, rugged cliffs, and golden beaches. Highlights include the picturesque fishing village of Porthdinllaen, the famous Ty Coch Inn right on the beach, and the modern RNLI Porthdinllaen Lifeboat Station. It's also an excellent spot for wildlife, with opportunities for seal watching and diverse birdlife.
The trail is generally dog-friendly, but it's important to keep dogs under control, especially around wildlife and on the golf course sections. Always check for local signage regarding leash requirements, particularly during nesting seasons or in sensitive wildlife areas.
The trail offers beautiful scenery year-round. However, for the most pleasant experience, late spring to early autumn (May to September) typically provides milder weather and better trail conditions. Always check local weather forecasts before you go.
No, there are no specific permits or entrance fees required to hike the Porthdinllaen Marine Trail or access the Llŷn Area of Outstanding Natural Beauty. However, parking at Morfa Nefyn may incur a charge.
Yes, there is an option to return along Morfa Nefyn beach, but this is only available if the tide permits. Always check tide times before setting out if you plan to use this beach section for your return.
Yes, the route also passes through significant sections of the Llŷn Coastal Path, offering connections to a wider network of coastal walks.
Absolutely! The most famous spot is the Ty Coch Inn, located directly on the beach in Porthdinllaen, which is a popular place for refreshments. You'll also find amenities in Morfa Nefyn at the start/end of your hike.
While parts of the trail are relatively flat, some sections are steep, involve steps, and have uneven surfaces, making it moderately challenging. Beginners with a reasonable level of fitness should be able to manage it, but comfortable walking shoes are essential.
Nice costal walk, great pub on the beach. I cut this walk a little short by cutting across the golf course as it was getting dark