Dalhousie Castle is a castle in Midlothian, Scotland. The drum tower, oldest part of the current structure, and L Plan Castle dates to the mid 15th century. The majority of the current castle dates to the 17th century.
Dalhousie Castle has seen much history. King Edward I (Longshanks) stayed at the castle on his way to meet Sir William Wallace at the Battle of Falkirk.