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
Firth of Lorn Mull, with widths of from to , inclusive of the islands on the east side, such as Kerrera and the Slate Islands. The west side is an ample deep-water channel leading ultimately inland to the Caledonian Canal. Although the English word firth, the Gaelic equivalent linne (as in Linne Foirthe, Firth of Forth), and all the major firth names, have been in use since proto-historic times in Scotland, the combination “Firth of Lorn” was not innovated until the late 19th century. Lorn is presumed in modern Gaelic dictionaries to be a syncope of its Gaelic form Latharna, as is the