Northwatch Fortress was a fortified castle used by the Tortallan armed forces during the Scanran War. It was located about 100 miles east of Fort Giantkiller, and about 200 miles east of Fort Mastiff. During the war, it became the main headquarters of Vanget haMinch, the General of the Northern Armies of Tortall. It is also where Prince Roald is sent to stay under the protection of the General. Harailt of Aili, a mage, also was stationed there before being sent with the prince to Fort Mastiff.