Castell Mawr Rock, Landmarks Red Wharf Bay, Anglesey - Wales where to go, what to see and where to stay in Wales

Castell Mawr is a large limestone rock that dominates the western edge of Red Wharf Bay in Anglesey, North Wales. The limestone may have been quarried in the past but today serves as a refuge and nesting place for those pesky seagulls. It is located between the village of Red Wharf Bay and the promontory that holds St David's Park camping site.