Ruins in TurtonRuins in TurtonOwshaw Clough Mine Filtration RuinsThe ruins of a old mine drain filtration system in Owshaw Clough. Deborah's (site of)Lower Tarkingtons (ruin)Scant ruins of an old farm that went derelict in the latter half of the 19th Century. Lower Brownfields (site of)Site of an old farm beside the track to Yarnsdale, with little remaining to see. Yarnsdale Old Mill (site of)A collection of stone blocks and a keystone said to be from an old mill on the Cadshaw Brook at Yarnsdale. Beehive Coke Ovens on The NazeUp on the west side of the Broadhead valley there is a field containing two groups of “beehive” coke ovens. Prospect TowerProspect Tower is a grade II* listed but derelict summerhouse dating to the 17th Century.