The area of sea below mean high water springs enclosed by a line starting at a point on the west coast of the Scottish Mainland at 56°36'57"North latitude 5°30'West longitude; then south to a point on the west coast of the Scottish Mainland at 56°36'28"North latitude 5°30'West longitude; then west, north, east and south along the shoreline of Loch A Choire to the point of the beginning.