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 West 39.3% Other, 2.2% Multiple responses <br> Religions: 27.8% Protestant, 20.0% Catholic, 5.5% Christian Orthodox, 2.7% Other Christian; 13.6% Muslim, 8.2% Jewish, 3.7% Hindu, 1.2% Buddhist, 16.5% No affiliation <br> Average income: $57,558 The district includes the neighbourhoods of York Mills, Silver Hills, the western half of Don Mills, the eastern half of Lawrence Park, Leaside, and Thorncliffe Park in the City of Toronto–mostly in the former municipalities of North York and East York. The area is 37 km². The federal electoral district was created in 1976 from Don Valley riding. John Godfrey, who had represented the riding since 1993, announced