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.
Cockermouth Castle Cockermouth Castle (grid reference [ NY123309] ) is in the town of Cockermouth in Cumbria on a site by the junction of the Rivers Cocker and Derwent. It is a grade I listed building and a Scheduled Ancient Monument (Cockermouth Castle: medieval enclosure castle and site of earlier motte and bailey castle).