The area’s low cliffs dominate this walk, and Anglesey’s dramatic northern Coast Path makes up half the route. The views from the headland at Trwyn bychan over Porth Wen with its ruined brickworks on the far side are sublime. The outward leg across farmland offers a fascinating contrast to your return’s wild coastline.

Bull Bay circular walk

Description of a circular walk near Bull Bay, on the north coast of Anglesey.
Start from
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Difficulty
Moderate
Distance
About 3.2 miles
Further information on this walk
History and interest
- The Welsh name Porthllechog means Sheltered Bay, but the English name of Bull Bay is derived from a rock feature called Pwll y Tarw (the Bull’s Pool) which is located near the bay.
- Bull Bay is the most northerly village in Wales. There is a lifeboat station, a nearby golf course and a rowing club. It’s a great place for fishing and rock pooling.
- You might see the remains of private Bull Bay Baths, a tidal swimming pool built in 1864 for the Marquess of Anglesey. It was refashioned in the 1920s as part ofa large faux-Roman Baths complex.
- The Ruined Windmill which you pass1km into your walk probably only ran farm machinery for nearby Pant-y-gaseg Farm as the sails would have been too small to power a mill stone. It was already in a ruinous state by 1899.
- The Cliff Formations viewed from the Coast Path here are fascinating with folded strata, arches, rock stacks, ravines, and several inaccessible caves. The rock itself is some of the oldest in Wales at over 570 million years old.
- From the clifftop at Trwynbychan overlooking the bay at Porth Wen you can see ruined brickworks on the far side.
Wildlife
The cliffs are a great place for bird watching out to sea. Seabirds such as puffin, guillemot, and all manner of gulls frequent the area. On the shore at Bull Bay you will see oystercatchers and other wading birds. Porpoises and common seals are often seen close to the shore.
Public transport
Bull Bay is well-served by buses, and service Nos. 31, 60, 61, 62 and 562 all stop there. The No. 61 Bus (Amlwch to Holyhead service) runs five or six times a day, Monday to Saturday.
Refreshments
The Trecastell Hotel in Bull Bay offers a restaurant and bar open to non-residents.
Route maps
GPX format
Download: Bull Bay circular walk (GPX)KML format
Download: Bull Bay circular walk (KML)Admission
Admission fees apply
Parking
Parking charges may apply
Address
Start of the walk
Amenities
- Parking available