Sunnyside Royal Hospital was a psychiatric hospital located in
Hillside, north of
Montrose,
Scotland. The hospital was originally founded in 1781 by Susan Carnegie as the
Montrose Lunatic Asylum, Infirmary & Dispensary and obtained a Royal Charter in 1810. The original building was situated on the Montrose Links on a site bounded by Barrack Road, Ferry Road and Garrison Road.