The site at Thornborough Henges is an unusual ancient monument complex, which includes the three aligned henges that give the site its name. The site also includes many large ancient structures including a cursus, some burial mounds, and settlements. The Thornborough Henges make up a part of the largest group of prehistoric earthworks in Britain, which stretches from the Devil’s Arrows standing stones at Boroughbridge in the south to the destroyed cursus at Scorton to the north. The site at Thornborough is thought to have been part of a Neolithic and Bronze…