Glengorm Castle, also known as Castle Sorn, is a 19th-century country house on the Isle of Mull, Scotland. Located 6 kilometres (3.7 mi) north-west of Tobermory, the house is protected as a Category B listed building.The Mishnish estate was purchased in 1856 by James Forsyth of Quinish. He cleared the existing township of Sorne to make way for the new house, which was completed in 1860. The house was designed by Kinnear and Peddie in a Scots Baronial style.