Healey Dell Viaduct is situated in Healey Dell Nature Reserve in the Spodden Valley, on the outskirts or Rochdale in Greater Manchester, England. It is 2½ miles (4km) from Whitworth, Lancashire. It was built in the 1867 and carried the Rochdale to Bacup Railway Line, opening to passengers 1 November 1870. It operated until 1949, and carried coal trains until into the 1960s. Today it carries the National Cycle Network, Regional Network Route 92 which joins National Route 66.