Tolquhon Castle (pronounced: "toh-hon", and sometimes spelt 'Tolquhoun') is located in Aberdeenshire, north-east Scotland. It lies about 1.5 miles (2.4 km) north-west of Pitmedden, and 2 miles (3.2 km) south of Tarves. The castle was built by William Forbes, 7th Laird of Tolquhon, between 1584 and 1589 as an extension to the earlier tower house known as Preston's Tower. Although ruined, the castle has been described as "the most characteristic château of the Scots Renaissance".