Holyhead Mountain & South Stack loop
Holyhead Mountain & South Stack loop
3.0
(1)
7
runners
00:38
4.90km
140m
Running
Jog the Holyhead Mountain & South Stack loop, a moderate 3.0-mile route with dramatic coastal views and the iconic South Stack Lighthouse.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
AHNE Ynys Môn
Waypoints
Start point
Parking
Get Directions
2.00 km
Highlight • Natural Monument
Tip by
4.42 km
Highlight • Cafe
Tip by
4.90 km
End point
Parking
Way Types & Surfaces
Way Types
3.42 km
728 m
416 m
340 m
Surfaces
2.38 km
1.40 km
645 m
263 m
170 m
< 100 m
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Elevation
Highest point (190 m)
Lowest point (70 m)
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Weather
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Tuesday 5 May
13°C
6°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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This route was planned by komoot.
There are several parking options available near the start of the loop. A common starting point is near the South Stack RSPB Visitor Centre, which often has dedicated parking facilities. Be aware that parking can fill up quickly during peak times, especially on weekends and holidays.
Yes, this trail is designed for jogging, but it's considered moderate to challenging. The route features varied and often rugged terrain, including steep, rocky sections, moorland, and potentially boggy paths. It requires good fitness and is more suited for trail running or a strenuous jog rather than a casual run.
The terrain is quite diverse and rugged. You'll encounter moorland, sections of the coastal path, country lanes, and fields. The path to the summit of Holyhead Mountain is particularly steep and rocky. Some parts may be boggy after rain, and there are both unpaved natural paths and smaller sections of asphalt and gravel. Good, sturdy footwear is highly recommended.
The loop offers dramatic scenery and notable landmarks. Key highlights include the summit of Holyhead Mountain (Mynydd Tŵr), offering 360-degree views, and the iconic South Stack Lighthouse. You'll also pass through the RSPB South Stack Cliffs nature reserve, known for its abundant wildlife and precipitous sea cliffs.
Yes, dogs are generally welcome on the trails. However, as a significant portion of the route passes through the RSPB South Stack Cliffs nature reserve, it's crucial to keep dogs on a lead to protect ground-nesting birds, livestock, and other wildlife. Always follow local signage and regulations.
There is no general entrance fee or permit required to access the trails within the RSPB South Stack Cliffs nature reserve. However, there might be charges for parking or specific facilities at the South Stack RSPB Visitor Centre. Donations to support the reserve's conservation work are always welcome.
Spring and early autumn are often considered the best times. In spring (April-May), you can witness nesting seabirds and vibrant wildflowers. Early autumn (September-October) offers cooler temperatures and potentially clearer views. Summer can be busy, and winter can bring challenging weather conditions, including strong winds and rain, making some sections boggy.
The area is rich in wildlife, especially within the RSPB South Stack Cliffs nature reserve. You might spot various bird species such as choughs, puffins, and peregrine falcons. Marine life like grey seals and porpoises can sometimes be seen offshore. The reserve is also home to rare plants, including the unique spathulate fleawort.
Yes, a significant portion of this loop, approximately 72%, forms part of the Isle of Anglesey Coastal Path. Many consider this section to be one of the most dramatic parts of the entire Wales Coast Path, offering stunning coastal views.
Yes, the South Stack RSPB Visitor Centre is located along the route and typically offers facilities such as a cafe and toilets. It's a good spot for a break or to grab refreshments before or after your jog.
Given the varied and rugged terrain, it's essential to bring appropriate gear. We recommend sturdy trail running shoes with good grip, layers of clothing suitable for changing weather, water, snacks, and a map or GPS device for navigation. Binoculars can enhance your wildlife viewing experience.