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.
Sheffield City Centre Sheffield City Centre Sheffield City Centre is a district of the City of Sheffield, and is partly covered by the City ward of the City of Sheffield. It includes the area that is within a radius of roughly of Sheffield Cathedral, and is encircled by the Inner Ring Road—a circular route started in the late 1960s and completed in 2007. As well as the cathedral, buildings in the city centre include the Grade I listed Town Hall, the City Hall, and the Winter Gardens. Several areas of the city centre have been designated as "quarters". It is home to the