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Inner Hebrides

Archipelago off the west coast of mainland Scotland

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  • 8 chapters
Cattle on Cleadale Beach This beach is well used by the cattle and you would be cautious about going barefoot here
Calum McRoberts · CC BY-SA 2.0

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Through Archipelago, Geology and Geomorphology

There are various important prehistoric structures, many of which pre-date the first written references to the islands by Roman and Greek authors. In the historic period the earliest known settlers were Picts to the north and Gaels in the southern kingdom of Dál Riada prior to the islands becoming part of the Suðreyjar kingdom of the Norse, who ruled for over 400 years until sovereignty was transferred to Scotland by the Treaty of Perth in 1266. Control of the islands was then held by various clan chiefs, principally the MacLeans, MacLeods and MacDonalds. The Highland Clearances of the 19th century had a devastating effect on many communities and it is only in recent years that population levels have ceased to decline.

Sea transport is crucial and a variety of ferry services operate to mainland Scotland and between the islands. The Gaelic language remains strong in some areas; the landscapes have inspired a variety of artists; and there is a diversity of wildlife.

Geography

The islands form a disparate archipelago. The largest islands are, from south to north, Islay, Jura, Mull, Rùm and Skye. Skye is the largest and most populous of all with an area of 1,656 km2 (639 sq mi) and a population of just over 10,000.

The southern group are in Argyll, an area roughly corresponding with the heartlands of the ancient kingdom of Dál Riata and incorporated into the modern unitary council area of Argyll and Bute. The northern islands were part of the county of Inverness-shire and are now in the Highland Council area.

Physical

The ten largest islands are as follows.

The geology and geomorphology of the islands is varied. Some, such as Skye and Mull, are mountainous, whilst others like Tiree are relatively low-lying. The highest mountains are the Cuillins of Skye, although peaks over 300 metres (980 ft) are common elsewhere. Much of the coastline is machair, a fertile low-lying dune pastureland. Many of the islands are swept by strong tides, and the Corryvreckan tide race between Scarba and Jura is one of the largest whirlpools in the world.

There are various smaller archipelagoes including the Ascrib Islands, Crowlin Islands, Slate Islands, Small Isles, Summer Isles and Treshnish Islands.

The islands are shown to be important as a region of tidal mixing of coastal water.

Human

The inhabited islands of the Inner Hebrides had a population of 18,257 at the 2001 census, and this grew to 18,948 in 2011. During the same period Scottish island populations as a whole grew by 4% to 103,702. There are a further 44 uninhabited Inner Hebrides with an area greater than 30 ha (74 acres). Records for the last date of settlement for the smaller islands are incomplete, but most of them were inhabited at some point during the Neolithic, Iron Age, Early Historic or Norse periods. In common with the other main island chains of Scotland, many of the smaller and more remote islands were abandoned during the 19th and 20th centuries, in some cases after continuous habitation since prehistoric times. These islands had been perceived as relatively self-sufficient agricultural economies, but a view developed among both islanders and outsiders that the more remote islands lacked the essential services of a modern industrial economy. However, the populations of the larger islands grew overall by more than 12% from 1981 to 2001.

The main commercial activities are tourism, crofting, fishing and whisky distilling (centred on Islay but also including Talisker in Skye, Isle of Jura Single Malt and Tobermory and Ledaig in Mull). Overall, the area is relatively reliant on primary industries and the public sector; there is a dependence on self-employment and micro-business, and most parts are defined by Highlands and Islands Enterprise as economically "Fragile Areas". However, the islands are well placed to exploit renewable energy, particularly onshore and offshore wind; and the Sleat peninsula of Skye is an example of a more economically robust area. Some of the islands have development trusts that support the local economy.

Climate

The influence of the Atlantic Ocean and the North Atlantic Current creates a mild oceanic climate. Temperatures are generally cool, averaging 6.5 °C (44 °F) in January and 15.4 °C (60 °F) in July at Duntulm on the Trotternish peninsula of Skye. Snow seldom lies at sea level and frosts are fewer than on the mainland. Winds are a limiting factor for vegetation: a speed of 128 km/h (80 mph) has been recorded; south-westerlies are the most common. Rainfall is generally high at between 1,300 and 2,000 millimetres (51 and 79 inches) per annum, and the mountains and hills are wetter still. Tiree is one of the sunniest places in the country and had 300 days of sunshine in 1975. Trotternish typically has 200 hours of bright sunshine in May, the sunniest month.

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