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 who presented Frost with a silver plate. It opened initially without an interchange at Don Mills Road and had its first traffic jam that day at the Eglinton Avenue exit. The interchange at Don Mills was approved by Metro council on November 2, 1964. Building the section within the valley required significant civil engineering, including the rerouting of of the Don River, installation of of reinforced retaining wall and the removal of two hills. Tumper's Hill, located near the Don Mills Road interchange, stood higher than it does today. Sugar Loaf Hill, shaped like a cone, which stood alone in