Los reservorios que forman la cadena son del noroeste al sudeste: Catcleugh Reservoir → Colt Crag Reservoir → Little Swinburne Reservoir → Hallington Reservoirs → Whittle Dene.
Los reservorios que forman la cadena son, de noroeste a sudeste: Little Swinburne Reservoir → Hallington Reservoirs → Catcleugh Reservoir → Colt Crag Reservoir → Whittle Dene.