St David's Head is situated about 2.5 miles (4 km) northwest of the cathedral city of St David's in Pembrokeshire. This headland marks the narrowest point of St George's Channel, the southern limit of Cardigan Bay and the Irish Sea in Wales, and the northern boundary of the Celtic Sea. There are views to the south of Whitesands Bay, Ramsey Sound (separating Ramsey Island) and St Brides Bay; to the west, of the Bishops and Clerks rocks; and to the east, of the slopes of the large rocky outcrop known as Carn Llidi.