Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop
Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop
4.9
(25)
196
hikers
Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop
03:23
12.1km
230m
Hiking
Embark on a moderate hike along the Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop, a route that spans 7.5 miles (12.1 km) and involves a total elevation gain of 738 feet (225 metres). This journey, typically completed in about 3 hours and 22 minutes, takes you across the rugged tip of the Llŷn Peninsula. You will experience diverse terrain, from exhilarating cliff-top paths to secluded bays like Porth Meudwy Cove, all while enjoying panoramic vistas. The highlight is reaching the summit of Mynydd Mawr, where you can gaze out across the Irish Sea towards Bardsey Island.
When planning your visit, be aware that this loop includes numerous ascents and descents, particularly as you leave Aberdaron, which serves as the common starting point. Parking is generally available in Aberdaron, making it convenient for you to begin your adventure. Always check local conditions before heading out, especially for potential weather changes along the exposed coastline, to ensure a safe and enjoyable hike.
This trail is nestled within the Llŷn Area of Outstanding Natural Beauty, offering more than just a physical challenge; it's an immersion into a unique natural landscape. Beyond the stunning coastal views, you might spot various seabirds and vibrant wildflowers, particularly if you visit in early summer. The route provides a rich mix of coastal and countryside scenery, showcasing why this part of Wales is so cherished for its natural beauty and diverse ecosystems.
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
114 m
Aberdaron Beach and Village
Highlight • Viewpoint
There's plenty to do at Aberdaron, the surrounding headland has miles of sandy beaches and secret coves to explore. There is also hiking galore as the Wales Coastal Path passes through here and being out on a headland there are a myriad of other hikes. Also let's not forget the one mile long sandy beach here which is one of the finest in Wales.
Tip by
211 m
Aberdaron Beach
Highlight • Viewpoint
Many facilities available here including café, ice cream, fish & chips, restaurants and bar.
Tip by
1.96 km
Porth Meudwy Cove
Highlight • Viewpoint
Tip by
4.87 km
View of Bardsey Island from Mynydd Mawr
Highlight • Natural Monument
This hill is only 525-feet (160 m) high but it's location makes it tower above the surrounding land and sea, giving it the impression of being much higher.
Tip by
8.11 km
Pen y Cil Headland
Highlight • Natural
Tip by
12.1 km
End point
Parking
Way Types & Surfaces
Way Types
5.92 km
2.50 km
1.48 km
1.35 km
805 m
Surfaces
7.19 km
2.76 km
956 m
574 m
574 m
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Elevation
Highest point (140 m)
Lowest point (10 m)
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Weather
Powered by Foreca
Friday 8 May
13°C
8°C
12 %
Additional weather tips
Max wind speed: 37.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
Where can I park to start the Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop?
The village of Aberdaron is the primary starting point for this loop. You'll find parking available within the village, often near the church or beach. It's advisable to arrive early, especially during peak season, as parking can fill up quickly.
How challenging is the Aberdaron and Mynydd Mawr Loop?
This loop is generally considered to be of moderate difficulty. It features varied terrain, including cliff-top paths, descents to coves, and some inland sections. Be prepared for numerous ascents and descents, particularly when leaving Aberdaron, and sections with steps. A good level of fitness is recommended.
What are the main points of interest along the route?
The trail offers many scenic highlights. You'll pass by Aberdaron Beach and Village, the secluded Porth Meudwy Cove, and the dramatic Pen y Cil Headland. A major highlight is the View of Bardsey Island from Mynydd Mawr, which is also a Site of Special Scientific Interest. The historic St Hywyn's Church in Aberdaron is also a notable feature.
Is the Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop dog-friendly?
Yes, dogs are generally welcome on the Llŷn Coastal Path. However, please keep your dog on a lead, especially around livestock, nesting birds, and wildlife, as much of the route passes through farmland and sensitive natural areas. Always clean up after your dog.
What is the best time of year to hike this loop?
The best time to hike this loop is typically from late spring to early autumn (May to September). In early summer, you'll be treated to vibrant displays of wildflowers like thrift and rock rose. The weather is generally more favorable during these months, though coastal conditions can change rapidly, so always be prepared for all eventualities.
Are there any permits or entrance fees required for this trail?
No, there are no specific permits or entrance fees required to hike the Llŷn Coastal Path: Aberdaron and Mynydd Mawr Loop. The trail is freely accessible to the public.
Does the trail intersect other well-known paths?
Yes, this route forms a significant part of the larger Llŷn Coastal Path, which is itself a section of the Wales Coast Path. It also overlaps with sections of the Porth Meudwy Coastal Walk, Llyn.
What kind of wildlife can I expect to see along the route?
The area is rich in wildlife. You'll likely spot numerous seabirds along the cliffs. Keep an eye out for rare choughs, which breed here. In the coastal waters, there's a chance to see bottlenose dolphins and Atlantic grey seals. The flora is also diverse, with many wildflowers blooming in spring and summer.
Are there any specific regulations for hiking in the Llŷn Area of Outstanding Natural Beauty?
As this trail is located within the Llŷn Area of Outstanding Natural Beauty (AONB), it's important to follow the Countryside Code. This includes sticking to marked paths, keeping dogs under control, taking all litter home, and respecting wildlife and private property. The aim is to protect the natural beauty and special qualities of the area for everyone to enjoy.
Are there any facilities like cafes or restrooms along the trail?
The main village of Aberdaron, where the loop typically starts and ends, offers amenities such as cafes, pubs, and restrooms. Once you leave Aberdaron, facilities become very limited, so it's best to stock up on water and snacks and use facilities before you set off.
What makes this loop unique compared to other coastal walks in the Llŷn Peninsula?
This loop stands out for its combination of rugged coastal scenery, historical significance, and unparalleled views of Bardsey Island. It follows an ancient pilgrim route and takes you to Mynydd Mawr, the westernmost point of the North Wales mainland. The remote feel and diverse terrain, from cliff-tops to hidden coves, offer a truly immersive experience of the Llŷn's wild beauty.