Barra De São João Basin
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Barra De São João Basin
Barra (; or ; ) is an island in the Outer Hebrides, Scotland, and the second southernmost inhabited island there, after the adjacent island of Vatersay to which it is connected by the Vatersay Causeway. In 2011, the population was 1,174. English and Gaelic are widely spoken, and at the 2011 Census, there were 761 Gaelic speakers (62% of the population, falling from 76% in the 1991 census). Geology In common with the rest of the Western Isles, Barra is formed from the oldest rocks in Britain, the Lewisian gneiss, which dates from the Archaean eon. Some of the gneiss in the east of the island is noted as being pyroxene-bearing. Layered textures or foliation in this metamorphic rock is typically around 30° to the east or northeast. Palaeoproterozoic age metadiorites and metatonalites forming a part of the East Barra Meta-igneous Complex occur around Castlebay as they do on the neighbouring islands of Vatersay and Flodday. A few metabasic dykes intrude the gneiss in t ...
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Heaval
Heaval is the highest hill on the Outer Hebridean island of Barra, Scotland. The highest point is 383 metres high above sea level and it is located 1.5 km northeast of Castlebay. It is most easily ascended from the south east, from the summit of a 102 m high road pass on the A888 about 1 km east of Castlebay. There is a signposted car park nearby. About halfway up the ridge, there is a white statue of the Virgin and Child. Near the top, the ridge becomes steep, but any difficulties can be bypassed on the south side. The two other hills on Barra with Marilyn (hill), more than 150 metres of topographic prominence, reascent are Ben Tangaval (333 m) in the west, and Ben Cliad (202 m) in the north. Another hill, Theisabhal Mor (190 m) is on Vatersay, which is linked to Barra by the Vatersay Causeway. Five of the Barra Isles, uninhabited islands to the south have summits higher than 150 m. Weather permitting, these islands can be visited, with time for summit ascents, by ar ...
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