The UK of Great Britain and Northen Island with an area of some 244sq. miles is situated on the British Isles, which are separated from the European continent by the North Sea, the Strait of Dover and the English Channel. the most important rivers it Temza.climate in winter is very cold in summer is very hot. Ben Nevis (Scottish Gaelic: Beinn Nibheis, pronounced is the highest mountain in the British Isles, located in Scotland. Standing at 1,345 metres (4,411 ft) above sea level, it is located at the western end of the Grampian Mountains in the Lochaberarea of the Scottish Highlands, close to the town of Fort William.