Donegal tweed manufactured for centuries it took on its modern form in the 1880s, largely due to the pioneering work of English philanthropist Alice Rowland Hart. While the weavers in County Donegal produce a number of different tweed fabrics, including herringbone and check patterns, the area is best known for a plain-weave cloth of differently-coloured warp and weft, with small pieces of yarn in various colours woven in at irregular intervals to produce a heathered effect. Such fabric is often labelled as "donegal" (with a lowercase "d") regardless of its provenance. Along with Harris Tweed manufactured in the Scottish Highlands, Donegal is
Lewis and Harris comparatively flat, save in the south-east, where Ben More reaches , and in the south-west, where is the highest point. Lewis contains the deepest lake on any offshore island in the British Isles, Loch Suaineabhal, which has a maximum depth of 66.7m (226 feet) and an overall mean depth of 32m (108 feet). Until 1975, Lewis belonged to the county of Ross and Cromarty and Harris to Inverness-shire. The entire island group is now administered by , the Western Isles Council. Other nearby inhabited islands in the Lewis and Harris group are (Great Bernera) and (Scalpay). (Taransay) and (Scarp), now