Tolquhon Castle
Open to visitorsa Historic Environment Scotland site — many are free to wander; staffed ones charge and keep set hours
Substantial ruinsruined, but plenty survives above ground
Tolquhon Castle is a castle in Aberdeenshire. The Albion Guide charts 39 castles in the county; this is one of them. It is looked after by Historic Environment Scotland.
The nearest railway station is Inverurie, 11.9 km to the south-west. For more of the same, Esslemont Castle and Ellon Castle are close by.