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
Rough Island, Scotland Rough Island, Scotland The isle of Rough is a 20-acre (8 ha) tidal island located in the Rough Firth off the Solway Firth, Scotland, in the historical county of Kirkcudbrightshire the same region where the River Urr flows into the Solway. The isle of Rough is 79 feet (24 metres) at its highest point. Since 1937 the isle of Rough has been in the ownership of the National Trust for Scotland. The island is now a bird sanctuary. Accessible across the causeway from Kippford when the tides allow or across the mudflats from Rockcliffe, the isle of Rough can be