|/ /1848||Dalmellington Iron Works|
Opened at Waterside, to the north of Dalmellington, by the Houldsworth family as the Dalmellington Iron Company.
|04/08/1853||Ayr and Dalmellington Railway|
Authorised from Ayr (Falkland Junction) to Dalmellington. This incarnation of the line was closely associated with the Houldsworth family's Dalmellington Iron Works at Waterside and associated coal mines.