South Stack and Holyhead Mountain
Seabird cliffs, a lighthouse on an island and the highest point on Anglesey.
- Distance
- 3.7 km
- Ascent
- 240 m
- Time
- 1.5 h
- Grade
- Moderate
- Route
- Circular
- High point
- 220 m
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Route mapped on from OpenStreetMap paths, with heights from EU-DEM terrain data; not yet checked on the ground by TRXO. Added to TRXO on . For planning only: always navigate with an up-to-date map such as OS Explorer or Harvey. How we make our routes.
About this walk
South Stack and Holyhead Mountain is a moderate 3.7 km circular walk with 240 m of ascent, taking about 1.5 hours. It starts at RSPB South Stack (grid reference SH 207 820).
South Stack is a small island off the western tip of Anglesey, with a lighthouse built in 1809 reached by 400 steps and a bridge. The cliffs around it are an RSPB reserve, full of guillemots, razorbills and puffins in late spring, and home to choughs all year.
The walk visits the clifftops above the lighthouse, then climbs Holyhead Mountain, at 220 m the highest point on Anglesey, with views to the Wicklow Mountains in Ireland on a clear day.
Route
-
1
The cliffs
Walk to the viewpoints above South Stack lighthouse.
-
2
Holyhead Mountain
Climb to the summit and return to the car park.
Summit
Holyhead Mountain
220 m
On the way
-
South Stack LighthouseLighthouse · on the route
Questions about this walk
- How long does South Stack and Holyhead Mountain take?
- Most walkers take 1.5–1.5 hours for the 3.7 km route, which has 240 m of ascent. That allows for short stops; give yourself longer in winter, in poor weather or with a group.
- Where does the walk start, and where can I park?
- It starts at RSPB South Stack (grid reference SH 207 820). Car parks at South Stack (charge).
- Can I get there by public transport?
- Buses from Holyhead to South Stack in summer. Check times on Traveline.
- How hard is it?
- It's graded moderate. Clifftop paths and a rocky climb to the summit.
- Can I take my dog?
- Yes, dogs are welcome on this walk. Before you go: Keep well back from the cliff edge, and keep dogs on a lead.
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