Geography of Sheffield (Totley Brook passes south of Totley and meets Old Hay Brook at Needham's Dyke). The Sheaf flows northwards to join the River Don near Blonk Street Bridge in the city centre. This lower section of the River Sheaf together with the River Don, between the present Blonk Street and Lady's Bridge, formed part of the perimeter of Sheffield Castle. Porter Brook's source is just inside the Peak District National Park, to the west of the city, at Clough Hollow, also near Ringinglow. From here it flows eastward to meet the Sheaf, at a point now located underneath Sheffield Midland Station.
City ward, Sheffield km) of Sheffield Cathedral. It is encircled by the Inner Ring Road, a circular route started in the late 1960s and now completed in 2008. As well as the cathedral, notable buildings in the city centre include the Grade I listed Town Hall, the City Hall, and the Winter Garden. Several areas of the city centre have been designated as "quarters". Of these, the Devonshire Quarter and Cultural Industries Quarter are the best known. Highfield () is an inner city district of Sheffield. It includes Bramall Lane football stadium, home of Sheffield United F.C. Kelham Island is one of Sheffield's