Castle Semple, Medieval castle ruins in Renfrewshire, Scotland
Castle Semple stood on the eastern shore of Castle Semple Loch, featuring a central mansion house with four outbuildings and extensive gardens.
John Sempill, 1st Lord Sempill, changed the name from Castletoun to Castle Semple, constructing the estate between 1492 and 1550 as a successor to Elliston Castle.
Colonel William McDowall replaced the original structure in 1735 with a Palladian country villa, marking an early example of this architectural style in Scotland.
The remaining grade B listed outbuildings now function as private residences, with preserved gate-arches, a walled garden, and a temple folly nearby.
A copper cannon bearing the arms of Scotland and the initials J.R.S. was discovered in the adjacent loch and preserved within the castle grounds.
Location: Renfrewshire
GPS coordinates: 55.80670,-4.59060
Latest update: March 3, 2025 01:10
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