Holyhead Mountain Circular Trail

Parking is available at the South Stack Lighthouse area, often near the RSPB visitor centre. It's a popular starting point for this loop.

Yes, the trail is generally dog-friendly. However, please keep dogs on a lead, especially around the South Stack Lighthouse RSPB reserve due to nesting seabirds and livestock in fields. Be mindful of the steep steps and cliff edges.

Spring and early summer (April to July) are ideal for birdwatching, as many seabirds, including puffins, razorbills, and guillemots, nest around South Stack Lighthouse. Autumn can offer sightings of grey seal pups near North Stack. Clear days provide the best panoramic views, but be prepared for strong winds year-round.

No, there are no specific permits or entrance fees required to hike this trail within the Isle of Anglesey Area of Outstanding Natural Beauty (AONB). However, there might be charges for parking at certain car parks, and access to the interior of South Stack Lighthouse itself may have an admission fee.

The descent and ascent of the 365-400 steps to South Stack Lighthouse are strenuous. On Holyhead Mountain, navigation can be confusing due to multiple paths; a map and compass or GPS are highly recommended to stay on track.

This moderate hike typically takes around 2 hours and 18 minutes to complete. However, allow extra time for enjoying the stunning views, birdwatching, and exploring points of interest like South Stack Lighthouse and Holyhead Mountain.

While parts of the trail are accessible, it's rated as moderate and requires good fitness. There are steep sections, significant elevation changes, and the demanding steps to South Stack Lighthouse. Beginners with a good level of fitness might manage, but it's not an easy stroll.

You'll encounter a varied terrain including street walking, muddy and grassy paths, and stone paths. Expect cliff walking, field hopping, and sections through gorse moors. The ascent and descent to South Stack Lighthouse involve many steps, and Holyhead Mountain has rugged, rocky sections.

The area is a haven for seabirds, especially around the RSPB reserve at South Stack Lighthouse, where you can spot puffins, razorbills, guillemots, choughs, and peregrine falcons. In autumn, you might even see grey seal pups in the sea cave near North Stack Fog Signal Station.

Key attractions include the iconic South Stack Lighthouse, the highest point on Anglesey, Holyhead Mountain (Mynydd Tŵr) summit, and the dramatic cliffs of North Stack Fog Signal Station. You'll also pass Ellin's Tower and enjoy a View of South Stack Lighthouse and View of Gogarth Bay.

Yes, a significant portion (85%) of this loop follows sections of the official Isle of Anglesey Coastal Path, offering connections to other parts of the island's coastal network.

There is often a café or visitor centre near the South Stack Lighthouse RSPB reserve. The nearby town of Holyhead also offers a wider range of amenities, including cafes, pubs, and accommodation.