Porth yr Aur
Porth yr Aur is a Grade I listed 13th-century fortification in Caernarfon which forms part of Caernarfon Castle's medieval defences. Originally known as the West gate it was the main seaward entrance to the walled town. The building has been the home of the Royal Welsh Yacht Club since 1854. Porth yr Aur forms part of the Castles and Town Walls of King Edward in Gwynedd UNESCO world heritage site. Construction began in 1283 at the same time as Caernarfon castle, both integral components of the city walls, and was completed by 1292. History Porth Yr Aur and the town walls were constructed on the instruction of Edward I in order to consolidate his conquest and occupation of North Wales on 1283. Caernarfon became the main base of English power in North Wales and the borough of Caernarfon was created under the statute of Wales in 1284. The walls and castle were built under the direction of James of St George, who was Edwards military architect in North Wales, and cost £3500 by completion in 1292. In 1294, the Welsh revolted under the leadership of Madog Ap Llywelyn During this period, Porth Yr Aur was badly damaged and was repaired