The reservoirs that form the chain are , from northwest to southeast : Catcleugh Reservoir → Colt Crag Reservoir → Little Swinburne Reservoir → Hallington Reservoirs → Whittle Dene .
The reservoirs that form the chain are from the north-west to the southeast : Little Swinburne Reservoir → Hallington Reservoirs → Catcleugh Reservoir → Colt Crag Reservoir → Whittle Dene .