Holyhead Mountain
Mynydd Twr
Anglesey’s highest point, a 220-metre summit with Roman lookout and Iron Age hill fort remains, overlooking the South Stack cliffs.
Holyhead Mountain (Mynydd Twr) rises to about 220 metres and is the highest point on the island. Its summit has the stone walls of the Iron Age hill fort Caer y Tŵr and the remains of a Roman-era watchtower, and at its foot are the prehistoric Tŷ Mawr Hut Circles. The walking trail can start from the RSPB car park at South Stack or from Holyhead Breakwater Country Park; a round trip takes about 1.5–2.5 hours on mostly stony ground, so wear non-slip footwear. On clear days you can see the Wicklow Mountains in Ireland, the Isle of Man and Snowdon. Heather and gorse bloom in spring and summer, and the climb is often combined with South Stack Lighthouse.
Opening hours
All day
Nearby sights
- Holyhead Breakwater Country Park
- South Stack Lighthouse
- Trearddur Bay
- Rhosneigr
- Barclodiad y Gawres
- St Cwyfan's Church
- Cemaes Bay
- Llanddwyn Island