In the Third Age the Dúnedain Kings of Arnor built a castle near the older elven ruins to guard the village of Stonehill and the other Sarn Settlements.The only large-scale Dunadan fortification ever erected in Siragale, Sarn Castle was pleasing in its aspect without loosing the intimidating character that was part of any fortification built for military purposes.The keep had never had to withstand a prolonged siege.The remoteness of its location and an awareness of the power of the Elves hidden in the nearby forests had aided its deterrent mission, but Sarn Castle was also well placed and well built.It sat on an artificial hill of granite and limestone rising almost 40' above the highest flood line of the lower Brandywine.The slopes of the hill directly beneath the castle walls were faced