11 Bron-yr-erw [1075] - Trahaearn ap Caradog of Arwystli against Gruffudd ap Cynan.
Coordinates: (53.0119, -4.3353)
What3words: bedroom.worthy.voter
+ Bryn Derwin [1255] - Llywelyn ap Gruffudd against his brothers, Owain and Dafydd ap Gruffudd.
Coordinates: (52.9891, -4.2957)