
1) Black Mountain, Wales
Found on
https://www.crosswordclues.com/clue/trecastle

==History== Trecastle (`the town of the castle`) is named after Castle Tump (Trecastle Motte) an early 11th-century Norman motte-and-bailey fortification , built by Bernard de Neufmarche and designed to protect Brecon from attack from the west. Despite this purpose, the area continued to be threatened, with Edward I of England spending three day.....
Found on
http://en.wikipedia.org/wiki/Trecastle
No exact match found.