
What is recorded here
Bwa Gwyn is a natural arch formed in Carboniferous limestone, approximately 340 to 300 million years old. It was shaped by coastal erosion processes, including wave action and weathering, and is notable as a striking example of such a landform on the Isle of Anglesey.
This does not grant access. Check current paths, opening conditions and ownership before entering.
Places near here
Bwa DuNatural arch · 183 yd
St Gwenfaen's WellSpring · 796 yd
St Gwenfaen's Church, RhoscolynChurch · 1082 yd
Plas Bach, RhoscolynHouse · 1131 yd
Ynys DefaidIsland · 1.2 mi
BorthwenBay · 1.2 mi
Ynys TrawsIsland · 1.3 mi
Porth CastellBeach / strand · 1.3 mi
Stanley Windmill;Melin y Gof, Trearddur BayWindmill · 1.7 mi
World War II PillboxFort · 2.0 mi
Traeth LlydanBeach / strand · 2.1 miOther information
Photo: Chris Andrews · CC BY-SA 2.0