Geography of Scotland example at Aberdeen. Much of the Scottish coastline consists of a machair formation, a dune pasture land formed as sea levels subsided. The east coast has several significant estuaries and other nature reserves including the Ythan Estuary and Fowlsheugh, both of which have been designated as Important Bird Areas. Firths of Scotland include the Solway Firth, Firth of Clyde, and Firth of Lorne on the west coast, and the Cromarty Firth, Moray Firth, Firth of Tay, and Firth of Forth on the east coast. The Pentland Firth is not an inlet, but the strait that separates the Orkney Isles from
Holy Isle, Firth of Clyde Holy Isle, Firth of Clyde The Holy Isle (Scottish Gaelic: Eilean MoLaise) is one of a number of islands in the United Kingdom which go under the name "Holy Island". It is located in the Firth of Clyde off the west coast of central Scotland, inside Lamlash Bay on the larger island of Arran. The island is around long and around wide. Its highest point is the hill Mullach Mòr. The island has a long history as a sacred site, with a spring or holy well held to have healing properties, the hermit cave of 6th century monk St Molaise,