A mansion and estate located 2 miles (3 km) south southwest of Montrose. The third in a sequence of properties erected in the vicinity, Dunninald Castle was built in the Gothic-revival style to the designs of architect James Gillespie Graham (1776 - 1855) for Peter Arklay in 1824. Little remains of the first fortified building, Black Jack's Castle, erected in the 15th century for the Gray family. The second structure, an earlier Dunninald Castle, dating from the 17th century, was also home to the Grays.
Dunninald Castle lies in a planned landscape dating from 1740 which includes a walled garden. Still a family home, the property is open to the public.