SS6188 : Oystermouth Castle near Mumbles, Swansea BaySS6188 : Oystermouth CastleThe Gwent-Glamorgan Archaeological Trust is beginning a
new digging project at Oystermouth castle to find traces of parts of the castle which have been lost over the years, such as an outer wall around the tower. They are also looking for artefacts such as pottery to establish who the residents of Oystermouth traded with in medieval times.