
What is recorded here
Porth Ceiriad is a small bay on the north coast of Gwynedd, Wales, characterized by sea cliffs composed of Silurian greywacke and mudstone, formed around 440–420 million years ago. These rocks are part of the Môn Syncline and were shaped by tectonic activity and subsequent coastal erosion, making the site notable for its geological structure and coastal dynamics.
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Places near here
Porth Ceiriad BeachBeach · 588 yd
Nant-y-Big; Nant-PigCaravan Park; Farm · 672 yd
Pared Mawr Camp;Castell, Porth CeiriadPromontory Fort · 744 yd
Cilan Chapel (Welsh Calvinistic Methodist;Bethlehem), CilanChapel · 1032 yd
Bwlchtocyn Welsh Independent Chapel, BwlchtocynChapel · 1636 yd
Slipway at far south end of Abersoch beachBeach · 1.2 mi
Borth FawrBay · 1.8 mi
St Tudwals Island EastMountain / peak · 2.1 mi
Grey Seals on St Tudwal's Island EastIsland · 2.2 mi
Pen-y-gaerMountain / peak · 2.4 mi
Neuadd Goffa Mynytho Memorial HallHeritage place · 4.2 mi
Plaque on Mynytho Memorial HallHeritage place · 4.2 miOther information
Photo: Oscar Taylor · CC BY-SA 2.0