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Firth

From Quire, the open reference·Scottish word used for various coastal inlets and straits·6 min read

Firth is a word in the English and Scots languages used to denote various coastal waters in the United Kingdom, predominantly within Scotland. It is often used to refer to broad estuaries.[1] In the Northern Isles, it more often refers to a smaller inlet. It is linguistically cognate to Scandinavian fjord and fjard (all from Proto-Germanic *ferþuz), with the original meaning of "sailable waterway". The word has a more constrained sense in English. Bodies of water named "firths" tend to be more common on the Scottish east coast, or in the southwest of the country, although the Firth of Clyde is an exception to this. The western Highland coast contains numerous estuaries, straits, and inlets of a similar kind, but not called "firth" (e.g. the Minch and Loch Torridon); instead, these are often called sea lochs. Before about 1850, the spelling "Frith" was more common.

A firth is generally the result of ice age glaciation and is very often associated with a large river, where erosion caused by the tidal effects of incoming sea water passing upriver has widened the riverbed into an estuary. Demarcation can be rather vague. The Firth of Clyde is sometimes thought to include the estuary as far upriver as Dumbarton, but the Ordnance Survey map shows the change from river to firth occurring off Port Glasgow. In navigation terms, the dredged River Clyde Channel for shipping meets the Firth of Clyde Channel at the Tail of the Bank, where the river crosses a sandbar off Greenock as the estuary widens at the junction to the Gare Loch. Locally, the river can be described as extending even further west to Gourock point.

However, some firths are exceptions. The Cromarty Firth on the east coast of Scotland, for example, resembles a large loch with only a relatively small outlet to the sea and the Solway Firth and the Moray Firth are more like extremely large bays. The Pentland Firth is a strait rather than a bay or an inlet.

Scottish firths#edit

Firths on the west coast of Scotland (from north to south)#edit

The Firth of Lorn and other nearby waterways
The Firth of Lorn and other nearby waterways Image: source and license
The estuary of the River Nith, opening into Solway Firth south of Dumfries.
The estuary of the River Nith, opening into Solway Firth south of Dumfries. Image: source and license

Firths on the east coast of Scotland (from north to south)#edit

Entrance to the Cromarty Firth, with oil rigs behind
Entrance to the Cromarty Firth, with oil rigs behind Image: source and license
Dundee from the Fife shore of the Firth of Tay
Dundee from the Fife shore of the Firth of Tay Image: source and license

These are connected to, or form part of, the North Sea.

Firths on the north coast of Scotland#edit

Map of the Pentland Firth and associated lands
Map of the Pentland Firth and associated lands Image: source and license

Firths in the Northern Isles#edit

Cliffs in Saviskaill Bay on Rousay, looking northward to Westray across Westray Firth
Cliffs in Saviskaill Bay on Rousay, looking northward to Westray across Westray Firth Image: source and license

The Northern Isles were part of Norway until the 15th century, and retain many Norse names. In Shetland in particular, "firth" can refer to smaller inlets, although geo, voe and wick are as common. In Orkney, "wick" is common.

Other similar waters in Scotland#edit

Loch Eriboll
Loch Eriboll Image: source and license

In the Scottish Gaelic language, linne is used to refer to most of the firths above; it is also applied to the Sound of Sleat, Crowlin Sound, Cuillin Sound, Sound of Jura, Sound of Raasay, and part of Loch Linnhe.

The following is a selection of other bodies of water in Scotland which are similar to various firths, but which are not termed such –

Likewise, in the Northern Isles, the words "firth" and "sound" are often used arbitrarily or interchangeably. Bluemull Sound for example, is very similar to some of the firths in the Shetland Islands.

English firths#edit

Firths outside Britain#edit

The Firth of Thames is the large bay to the southeast
The Firth of Thames is the large bay to the southeast Image: source and license

See also#edit

References#edit

  1. ^ "Scottish National Dictionary (1700–) Firth n1". Dictionaries of the Scots Language. 1956. Retrieved 21 February 2026.
  2. ^ "Firth of Lorn". The Gazetteer for Scotland. Retrieved 21 February 2026.
  3. ^ "Firth of Clyde". The Gazetteer for Scotland. Retrieved 21 February 2026.
  4. ^ "Solway Firth". The Gazetteer for Scotland. Retrieved 21 February 2026.
  5. ^ "Dornoch Firth". The Gazetteer for Scotland. Retrieved 21 February 2026.
  6. ^ "Cromarty Firth". The Gazetteer for Scotland. Retrieved 21 February 2026.
  7. ^ "Firth of Tay". The Gazetteer for Scotland. Retrieved 21 February 2026.
  8. ^ "Firth of Forth". The Gazetteer for Scotland. Retrieved 21 February 2026.
  9. ^ "Pentland Firth". The Gazetteer for Scotland. Retrieved 21 February 2026.
  10. ^ Anderson, Joseph (Ed.) (1893) Orkneyinga Saga. Translated by Jón A. Hjaltalin & Gilbert Goudie. Edinburgh. James Thin and Mercat Press (1990 reprint). ISBN 0-901824-25-9

This article is mirrored from “Firth” on English Wikipedia, revision 1339633310, written by Wikipedia's contributors and licensed CC BY-SA 4.0. Editing it here creates a Quire copy with its own history.

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