Bellshiel long cairn - NT 8131 0117
A Neolithic long cairn, 360 feet long and 50 wide. Excavated in 1935 revealed considerable damage. Not only had a sheepfold been built into it, but stone had been robbed from the eastern end for road building. A pit in the underling rock may have been a grave.
http://www.pastscape.org.uk/hob.aspx?hob_id=263
https://historicengland.org.uk/listing/the-list/list-entry/1009459