Castletown is on the north coast of Britain, around grid reference ND196678, between John O Groats and Thurso in Caithness, in the Highland area of Scotland. The A836 links the village with Thurso and Tongue in the west and with John O Groats in the east. The B876-A99 links the village with Wick in the southeast. The British national grid reference system is a system of geographic grid references commonly used in Great Britain, different from using latitude or longitude. ... Location within the British Isles. ... St. ... Caithness (Gallaibh in Gaelic) is a traditional county and former administrative county within the Highland area of Scotland. ... Highland (a Ghaidhealtachd in Gaelic) is the name of the largest administrative region in Scotland. ... Royal motto: Nemo me impune lacessit (Latin: No one provokes me with impunity) Scotlands location within the UK Languages with Official Status1 English Scottish Gaelic Capital Edinburgh Largest city Glasgow First Minister Jack McConnell Area - Total - % water Ranked 2nd UK 78,782 km² 1. ... The A836 road is entirely within the Highland area of Scotland, and 129 miles (208 km) long. ... Tongue is a village on the north coast of the Highlands of Scotland. ... The B876 road is entirely within the traditional county of Caithness in Highland Scotland. ... The A99 road is entirely within the traditional county of Caithness in Highland Scotland. ... Wick is a coastal town on the main highway linking John O Groats with southern Britain, a royal burgh and the county town of Caithness, in the far north of Scotland. ...

Much of the village is built on the old townland (or fermland) of Stanergill. The Stanergill Burn was the eastern boundary of the townland. It flows now through the eastern end of the village and so into Dunnet Bay and the Pentland Firth. The townland or fermland is a subdivision of the parish in Scotland. ... The Pentland Firth, which is actually more of a strait than a firth, separates the Orkney Islands from Caithness, which is in the far north of the Highland area of Scotland. ...

The name Stanergill can be read as meaning Stone Valley and much of Castletown was built during the 19th century boom years of Caithness as a source of flagstone. Much of the stone was processed in the harbour area of the village, known as Castlehill, and many of the streets of London were paved with it. The harbour was built by James Bremner. Flagstone is a type of flat stone, usually used for paving slabs, but also for making fences or roofing. ... A harbor (or harbour) or haven is a place where ships may shelter from the weather or are stored. ... James Bremner (25 September 1784 - August 1856) was a notable Scottish naval architect and harbour builder. ...

More modern industry in the village includes manufacture of food-storage freezers. Manufacturing is the transformation of raw materials into finished goods for sale, or intermediate processes involving the production or finishing of semi-manufactures. ... The inside of a fridge A refrigerator (often shortened to fridge) or freezer is an electrical appliance that uses refrigeration to help preserve food. ...

Castletown is the main settlement in the parish of Olrig. The name Castletown appears also in the Isle of Mann. A parish is a type of administrative subdivision. ... Olrig is a parish in Caithness, Scotland and the main settlement in the parish is Castletown. ... Castletown (Balley Chashtal) is a town in the south of the Isle of Man. ...