Caldwell is a mansion and old estate with the remains of a castle nearby. These lands lie close to the Lugton Water and the villages of Uplawmoor in East Renfrewshire and Lugton in East Ayrshire.
- ^ Dobie, James D. (ed Dobie, J.S.) (1876). Cunninghame, Topographized by Timothy Pont 1604–1608, with continuations and illustrative notices. Pub. John Tweed, Glasgow. p. 344.