Sandstone is a castle in Dorne, the region controlled by House Martell of Sunspear, and the seat of House Qorgyle. The castle is located in the south-west of Dorne, between the Brimstone and the Torentine in the deepest part of the Dornish desert. It is west of the Hellholt.
In the books
Tower of Joy · Planky Town · Vulture's Roost · Wyl · Blackmont · Kingsgrave · Starfall · Skyreach · Yronwood · Sandstone · Hellholt · Vaith · The Tor · Godsgrace · Saltshore · Lemonwood · Water Gardens · Ghost Hill