Open accessScotland's right of responsible access applies
Substantial ruinsruined, but plenty survives above ground
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Polnoon Castle is a castle in East Renfrewshire. It is the only castle the Albion Guide maps in the county. Cathcart Castle and Gilbertfield Castle are among the castles within 10 km. The closest station is Hairmyres, 3.8 km to the north-east.