A fairy-tale castle ... only Corgarff and Craigievar remain, uniquely, virtually unchanged,” Lemon enthuses. It’s not just the exterior that demands attention. I delve inside with tour guide ...

Kildrummy Castle, near Alford, will reopen to visitors on Tuesday April 1, while Corgarff will open on Wednesday, April 2. Tolquhon castle, on the outskirts of Pitmedden, will also reopen on April 2.