Sunset .Roman hill ? Pontarddulais

brian lloyd, on December 31, 2008, said:

Locally known as the Roman hill , probably the site of a motte & bailey.

Martin Hanson, on January 4, 2009, said:

It is also called Castell Ddu (Black Castle) it got its name from the time the local welsh people attacked and burnt it during its roman occupation.

alan richards, on June 5, 2009, said:

Castell Du is known by local Welsh speakers as Banc y Rhyfel(the mound of the battle)and was built by the invading Normans circa 1106 to control an important river crossing into the commote of Gwyr(Gower)