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
Firth of Lorn Firth of Lorn The Firth of Lorn or Lorne () in origin refers to the waters off the coast of a now obsolete geopolitical region, Lorn or Lorne. A firth in Scottish English is a long estuary, the same as or similar to a fjord, although somewhat arbitrary in application. The name of Lorn descends from the proto-history of Scotland. A nineteenth-century geographical reference defines it as being a district in the county of Argyllshire, where the –shire segment reflects a former political status of Argyll. Lorn was a maritime district, located on Scotland's west coast, on the eastern shore