The original harbour is now known as Pembrey Old Harbour .
Pembrey 's harbour was prone to silting and was abandoned in favour of Pembrey New Harbour - soon renamed Burry Port Harbour , just a mile further upstream on the Burry Estuary .
The original harbour is now known as Pembrey     .
Pembrey 's harbour was prone to silting and was abandoned in favour of Pembrey New Harbour - soon renamed Burry Port Harbour , just a mile further upstream on the Burry Estuary .