Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop
Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop
5.0
(12)
85
hikers
05:12
18.2km
410m
Hiking
Embark on the Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop, a difficult hike spanning 11.3 miles (18.2 km). You will gain 1350 feet (412 metres) in elevation, requiring about 5 hours and 12 minutes to complete. The trail offers dramatic coastal scenery, with steep cliffs giving way to hidden…
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
AHNE Llŷn
Waypoints
Start point
Parking
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114 m
Highlight • Viewpoint
Tip by
211 m
Highlight • Viewpoint
Tip by
8.32 km
Highlight • Viewpoint
Tip by
10.9 km
Highlight • Natural Monument
Tip by
14.2 km
Highlight • Natural
Tip by
16.4 km
Highlight • Viewpoint
Tip by
18.2 km
End point
Parking
Way Types & Surfaces
Way Types
11.2 km
4.30 km
1.22 km
1.18 km
250 m
Surfaces
12.4 km
3.85 km
1.35 km
504 m
< 100 m
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Elevation
Highest point (170 m)
Lowest point (10 m)
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Weather
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Wednesday 6 May
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This route was planned by komoot.
This loop is generally considered a moderate hike. While some sections are easy, expect significant ascents and descents, particularly the initial climb out of Aberdaron. You'll encounter steps and undulating terrain along the cliff tops, so good fitness and sure-footedness are recommended.
The terrain is varied and often challenging, featuring dramatic cliff-top paths, steep sections, and undulating ground. You'll navigate steps and narrow cliff paths. It takes you through coastal heathland, past hidden coves, and along peaceful beaches.
You'll experience stunning coastal scenery and several notable features. Highlights include Aberdaron Beach and Village, the panoramic views from Mynydd Anelog, and the incredible vistas from Mynydd Mawr, where you can see Bardsey Island. You'll also pass Pen y Cil Headland and the secluded Porth Meudwy Cove.
Parking is available in Aberdaron, which serves as the starting and ending point for this loop. There are car parks within the village, though it's always advisable to arrive early during peak season.
Yes, dogs are generally welcome on the Llŷn Coastal Path. However, please keep them on a lead, especially near livestock, nesting birds, and on narrow cliff paths for their safety and to protect wildlife. Always clean up after your dog.
The best time to hike is typically from late spring to early autumn (May to September). During early summer, you'll see vibrant wildflowers like thrift, rock rose, sea squill, and campion. Clear days offer the best views of Bardsey Island and even the Wicklow Mountains of Ireland.
No, there are no specific permits or entrance fees required to hike this section of the Llŷn Coastal Path or to access the Llŷn Area of Outstanding Natural Beauty (AONB). However, standard parking fees may apply in Aberdaron.
The area is rich in wildlife. You might spot seabirds such as guillemots and puffins, and potentially the rare chough. Grey seals and dolphins are often seen in the coastal waters. In early summer, the path is adorned with wildflowers like thrift, rock rose, sea squill, and campion.
Yes, this route largely follows the official Llŷn Coastal Path. It also incorporates sections of the Porthor Walk and the Porth Meudwy Coastal Walk, Llyn, offering a comprehensive experience of the local coastline.
Be aware that some parts of the route may be restricted or more challenging at high tide, particularly in coves. Certain cliff paths can be narrow, so extra care is needed. The initial climb out of Aberdaron is quite steep, so be prepared for that early on. Always check weather conditions before you go.
Yes, Aberdaron is served by local bus services, making it accessible via public transport. You can check local timetables for routes connecting to Aberdaron, which is the starting point for this loop.
Even on a cloudy rainy day this is a stunning walk that compares with any cornish coastal walk