What river is the castle that a stone was taken from to build the L-plan tower for Barscobe Castle on?
Threave Castle Threave Castle is situated on an island in the River Dee, 2.5 km west of Castle Douglas in Dumfries and Galloway, south-west Scotland.
Penwortham Castle Penwortham Castle was built on the south bank of the River Ribble, at Penwortham to the west of Preston, Lancashire, England, at grid reference [ SD524291] . The site is a Scheduled Ancient Monument.