Thurso is a community as well as previous burgh on the north coastline of the Highland council location of Scotland. Situated in the historic area of Caithness, it is the northernmost community on the British mainland. It lies at the joint of the north-south A9 road and the west-east A836 road, attached to Bridge of Forss in the west and also Castletown in the eastern. The 34-mile (55 km) River Thurso moves through the town and also into Thurso Bay as well as the Pentland Firth. The river estuary serves as a tiny harbour. At the 2011 Census, Thurso had a population of 7,933. The larger Thurso civil church consisting of the community and the bordering countryside had a population of 9,112. Thurso operated as an essential Norse port, as well as later patronized ports throughout northern Europe up until the 19th century. A growing fishing centre, Thurso also had a reputation for its linen-cloth and also tanning tasks. As of 2015 the Dounreay Nuclear Research Establishment, although mainly decommissioned at the end of the 20th century, uses a significant number of the neighborhood populace. The Category-A listed messed up Old St Peter's Church (St. Peter's Kirk) is just one of the oldest churches in Scotland, dating to a minimum of 1125. The existing church, St Andrew's and also St Peter's, was integrated in 1832 to a layout by William Burn in the Gothic design. The community has the main school of North Highland College as well as Thurso High School, the northernmost secondary school on the British landmass, which was developed in 1958. Thurso Castle, integrated in 1872, remains in damages. Thurso is residence to the football (football) group, Thurso FC, developed in 1998, which play in the North Caledonian League, and the rugby groups Caithness Crushers and also Caithness RFC. Thurso railway station, opened in 1874, was one of the most north station on the Sutherland and Caithness Railway. The nearby port of Scrabster supplies ferry services to the Orkney Islands; the Northlink ferry (MV Hamnavoe) operates in between Scrabster and Stromness.