The castle is reputedly haunted by a number of apparitions, including a monk who was interred alive behind a wall; a guest who disappeared whilst at the castle in centuries past; and a White Lady. The Devil is also said to have made an appearance here.
Greystoke Castle,
Greystoke,
Penrith,
Cumbria CA11 0TG.
For further information, please read Britain's Haunted Heritage by J.A. Brooks.