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 Parkway the Don River in downtown Toronto. From there, it runs northwards on the eastern bank of the valley, between the river and the developed city to the east. Beyond the southern, older section of the city, the valley widens and the expressway continues northwards through the parklands along the river to Don Mills Road. The route leaves the valley, rises to meet Eglinton Avenue, descends into the valley again and goes through the park lands of Milne Hollow to Lawrence Avenue. It ascends to meet York Mills Road and ends at Highway 401. At its southern end near the mouth