<P> In 1608 during O'Doherty's Rebellion areas of the country were plundered and burnt by the forces of Sir Cahir O'Doherty following his destruction of Derry . However, O'Doherty's men avoided the estates of the recently fled Earl of Tyrone around Dungannon, fearing Tyrone's anger if he returned from his exile . </P> <P> With an area of 3,155 square kilometres (1,218 sq mi), Tyrone is the largest county in Northern Ireland . The flat peatlands of East Tyrone border the shoreline of the largest lake in the British Isles, Lough Neagh, rising gradually across to the more mountainous terrain in the west of the county, the area surrounding the Sperrin Mountains, the highest point being Sawel Mountain at a height of 678 m (2,224 ft). The length of the county, from the mouth of the River Blackwater at Lough Neagh to the western point near Carrickaduff hill is 55 miles (89 km). The breadth, from the southern corner, southeast of Fivemiletown, to the northeastern corner near Meenard Mountain is 37.5 miles (60.4 km); giving an area of 1,260 square miles (in 1900). Annaghone lays claim to be the geographical centre of Northern Ireland . </P> <P> Tyrone is connected by land to the county of Fermanagh to the southwest; Monaghan to the south; Armagh to the southeast; Londonderry to the north; and Donegal to the west . Across Lough Neagh to the east, it borders County Antrim . It is the eighth largest of Ireland's thirty - two counties by area and tenth largest by population . It is the second largest of Ulster's nine traditional counties by area and fourth largest by population . </P> <P> It is one of four counties in Northern Ireland which currently has a majority of the population from a Catholic community background, according to the 2011 census . In 1900 County Tyrone had a population of 197,719, while in 2011 it was 177,986 . </P>

Town on the border between county tyrone and county donegal
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