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Cathedral Rock

A submerged rock, part of a reef known as the Thistley Brigs lying to the east of St. Abbs Harbour in the Scottish Borders, Cathedral Rock represents one of the most popular dive sites in the United Kingdom. The rock is cut through by two arches; the upper is known as the Keyhole, while the lower is of seemingly cathedral-like proportions, some 9m (30 feet) in height. Located within the St. Abbs and Eyemouth Voluntary Marine Reserve, the Cathedral Rock lies amongst particularly clear waters which support a rich biodiversity of marine life. The rocks are covered with anemone, sponges, soft corals and mussels, while fish and sea urchins are also numerous.


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