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The mainland of Scotland comprises the northern third of the land mass of the island of Great Britain, which lies off the north-west coast of Continental Europe. The total area is 78,772 km2 (30,414 sq mi), comparable to the size of the Czech Republic. Scotland's only land border is with England, and runs for 96 kilometres (60 mi) between the basin of the River Tweed on the east coast and the Solway Firth in the west. The Atlantic Ocean borders the west coast and the North Sea is to the east. The island of Ireland lies only 21 kilometres (13 mi) from the south-western peninsula of Kintyre; Norway is 305 kilometres (190 mi) to the east and the Faroes, 270 kilometres (168 mi) to the north.

The territorial extent of Scotland is generally that established by the 1237 Treaty of York between Scotland and the Kingdom of England and the 1266 Treaty of Perth between Scotland and Norway. Important exceptions include the Isle of Man, which having been lost to England in the 14th century is now a crown dependency outside of the United Kingdom; the island groups Orkney and Shetland, which were acquired from Norway in 1472; and Berwick-upon-Tweed, lost to England in 1482.

The geographical centre of Scotland lies a few miles from the village of Newtonmore in Badenoch. Rising to 1,344 metres (4,409 ft) above sea level, Scotland's highest point is the summit of Ben Nevis, in Lochaber, while Scotland's longest river, the River Tay, flows for a distance of 190 kilometres (118 mi).

Geology and geomorphology

The whole of Scotland was covered by ice sheets during the Pleistocene ice ages and the landscape is much affected by glaciation. From a geological perspective, the country has three main sub-divisions.

The Highlands and Islands lie to the north and west of the Highland Boundary Fault, which runs from Arran to Stonehaven. This part of Scotland largely comprises ancient rocks from the Cambrian and Precambrian, which were uplifted during the later Caledonian Orogeny. It is interspersed with igneous intrusions of a more recent age, remnants of which formed mountain massifs such as the Cairngorms and Skye Cuillins.

A significant exception to the above are the fossil-bearing beds of Old Red Sandstones found principally along the Moray Firth coast. The Highlands are generally mountainous and the highest elevations in the British Isles are found here. Scotland has over 790 islands divided into four main groups: Shetland, Orkney, and the Inner Hebrides and Outer Hebrides. There are numerous bodies of freshwater including Loch Lomond and Loch Ness. Some parts of the coastline consist of machair, a low lying dune pasture land.

The Central Lowlands is a rift valley mainly comprising Paleozoic formations. Many of these sediments have economic significance for it is here that the coal and iron bearing rocks that fuelled Scotland's industrial revolution are found. This area has also experienced intense volcanism, Arthur's Seat in Edinburgh being the remnant of a once much larger volcano. This area is relatively low-lying, although even here hills such as the Ochils and Campsie Fells are rarely far from view.

The Southern Uplands are a range of hills almost 200 kilometres (124 mi) long, interspersed with broad valleys. They lie south of a second fault line (the Southern Uplands fault) that runs from Girvan to Dunbar. The geological foundations largely comprise Silurian deposits laid down some 4–500 million years ago. The high point of the Southern Uplands is Merrick with an elevation of 843 m (2,766 ft). The Southern Uplands is home to the UK's highest village, Wanlockhead (430 m or 1,411 ft above sea level).


The climate of Scotland is temperate and oceanic, and tends to be very changeable. As it is warmed by the Gulf Stream from the Atlantic, it has much milder winters (but cooler, wetter summers) than areas on similar latitudes, such as Labrador, southern Scandinavia, the Moscow region in Russia, and the Kamchatka Peninsula on the opposite side of Eurasia. However, temperatures are generally lower than in the rest of the UK, with the coldest ever UK temperature of −27.2 °C (−17.0 °F) recorded at Braemar in the Grampian Mountains, on 11 February 1895. Winter maxima average 6 °C (43 °F) in the Lowlands, with summer maxima averaging 18 °C (64 °F). The highest temperature recorded was 32.9 °C (91.2 °F) at Greycrook, Scottish Borders on 9 August 2003.

The west of Scotland is usually warmer than the east, owing to the influence of Atlantic ocean currents and the colder surface temperatures of the North Sea. Tiree, in the Inner Hebrides, is one of the sunniest places in the country: it had more than 300 hours of sunshine in May 1975. Rainfall varies widely across Scotland. The western highlands of Scotland are the wettest, with annual rainfall in a few places exceeding 3,000 mm (120 in). In comparison, much of lowland Scotland receives less than 800 mm (31 in) annually. Heavy snowfall is not common in the lowlands, but becomes more common with altitude. Braemar has an average of 59 snow days per year, while many coastal areas average fewer than 10 days of lying snow per year.

Flora and fauna

Scotland's wildlife is typical of the north-west of Europe, although several of the larger mammals such as the lynx, brown bear, wolf, elk and walrus were hunted to extinction in historic times. There are important populations of seals and internationally significant nesting grounds for a variety of seabirds such as gannets. The golden eagle is something of a national icon.

On the high mountain tops, species including ptarmigan, mountain hare and stoat can be seen in their white colour phase during winter months. Remnants of the native Scots pine forest exist and within these areas the Scottish crossbill, the UK's only endemic bird species and vertebrate, can be found alongside capercaillie, Scottish wildcat, red squirrel and pine marten. Various animals have been re-introduced, including the white-tailed sea eagle in 1975, the red kite in the 1980s, and there have been experimental projects involving the beaver and wild boar. Today, much of the remaining native Caledonian Forest lies within the Cairngorms National Park and remnants of the forest remain at 84 locations across Scotland. On the west coast, remnants of ancient Celtic Rainforest still remain, particularly on the Taynish peninsula in Argyll, these forests are particularly rare due to high rates of deforestation throughout Scottish history.

The flora of the country is varied incorporating both deciduous and coniferous woodland and moorland and tundra species. However, large scale commercial tree planting and the management of upland moorland habitat for the grazing of sheep and commercial field sport activities impacts upon the distribution of indigenous plants and animals. The UK's tallest tree is a grand fir planted beside Loch Fyne, Argyll in the 1870s, and the Fortingall Yew may be 5,000 years old and is probably the oldest living thing in Europe. Although the number of native vascular plants is low by world standards, Scotland's substantial bryophyte flora is of global importance.