Lower Don Valley Lower Don Valley The Lower Don Valley, or historically the East End of Sheffield, is the mainly industrial north-east quarter of Sheffield, England. Located on the River Don, it encompasses the areas of Attercliffe, Brightside, Darnall, Tinsley and Wincobank. The area became the heart of Sheffield's steel industry during the 19th and 20th century. However it went into decline during the 1970s and 1980s as the nature of steel manufacture changed from large industrial sites with large scale employment to more streamlined and automated manufacture. As a result, large areas were derelict by the end of the 1980s despite the
Don Valley (electoral district) Don Valley (electoral district) Don Valley was a federal electoral district of the House of Commons of Canada from 1968 to 1979. It was located in the province of Ontario. This riding was created in 1966 from parts of Eglinton, York East and York—Scarborough ridings. It consisted of the part of Metropolitan Toronto bounded by a line beginning where the Don River would meet Donlands Avenue, east along the Don River, north along the West Branch of the Don River, east along Eglinton Avenue East, north along the Don River, west along Lawrence Avenue East, north along Don Mills Road,