Castle Coch
From Tardis Wiki, the free Doctor Who reference
Castle Coch was a castle in Wales. Its name was Welsh, meaning "red castle".
The castle on Refusis II reminded Dodo Chaplet of Castle Coch. (PROSE: The Ark)
Behind the scenes
In the real world, the castle's name is Castell Coch and has been used several times in Doctor Who, including Last of the Time Lords and Nightmare in Silver.
