Moray Firth Moray Firth The Moray Firth (; Scottish Gaelic: "An Cuan Moireach", "Linne Mhoireibh" or "Caolas Mhoireibh") is a roughly triangular inlet (or firth) of the North Sea, north and east of Inverness, which is in the Highland council area of north of Scotland. It is the largest firth in Scotland, stretching from Duncansby Head (near John o' Groats) in the north, in the Highland council area, and Fraserburgh in the east, in the Aberdeenshire council area, to Inverness and the Beauly Firth in the west. Therefore, three council areas have Moray Firth coastline: Highland to the west and north of
Pentland Firth referring to the sea lanes of the entire west coast of Scotland down to Kintyre. One version of the 9th-century "Historia Brittonum" states that "the Britons originally filled the whole island with their peoples from the English Channel to the Sea of Orcs". On the Caithness (southern) side the Firth extends from Dunnet Head in the west to Duncansby Head in the east, while on the Orkney (northern) side from Tor Ness on Hoy in the west to Old Head on South Ronaldsay in the east. In the middle of the Firth are two significant islands, Stroma and Swona. The