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.
2018 Sheffield City Region mayoral election This means that the winning candidate has the support of a majority of voters who expressed a preference among the top two. All registered electors (British, Irish, Commonwealth and European Union citizens) living in the combined authority area aged 18 or over on 3 May 2018 were entitled to vote in the mayoral election. 2018 Sheffield City Region mayoral election The inaugural Sheffield City Region mayoral election was held on 3 May 2018 to elect the mayor of the Sheffield City Region. The mayor will lead the Sheffield City Region Combined Authority. Voting is restricted to the four councils which