Goin, Loch, or Blackwoodhill Dam, a lake partly in Fenwick parish, Ayrshire, but chiefly in Eaglesham parish, Renfrewshire, 3½ miles SW of Eaglesham village. Lying among moorlands, 880 feet above sea-level, it has an utmost length and breadth of 7 and 3 furlongs; contains excellent trout and some char; and served as a dam and reservoir to send off water-power, through Dumvan Dam and Holehall Burn, to the mills of Eaglesham. Lochgoin farm has been noticed under Fenwick.—Ord. Sur., sh. 22, 1865.

(F.H. Groome, Ordnance Gazetteer of Scotland (1882-4); © 2004 Gazetteer for Scotland)