Many other stone keeps were built throughout the south and east of Wales in the early twelfth century: Ogmore Castle, near Bridgend, is a fine example.
Cafodd llawer o orthyrau carreg eraill eu codi ledled de a dwyrain Cymru yn gynnar yn y ddeuddegfed ganrif: mae Castell Ogwr, ger Pen-y-bont ar Ogwr, yn enghraifft wych.