 Until recent years, a mound about 12 feet high by 100 feet in length remained, which over the centuries had acquired the name of Gibbet Hill, indicating perhaps, that in the area's medieval period, it was a place of execution.However, latterly, development of the mid-Rhondda by-pass road has removed all traces of the castle.Trealaw Cemetery

Trealaw is the site of one of the Rhondda's largest cemeteries, located at Llethrddu ("black slope").