Porthmadog

Porthmadog came about after William Madocks built a sea wall, the Cob, in 1808–1811 to reclaim much of Traeth Mawr from the sea for farming use. Diversion of the Afon Glaslyn caused it to scour out a new natural harbour deep enough for small ocean-going sailing ships, and the first public wharves appeared in 1825. Quarry companies followed, with wharves along the shore almost to Borth-y-Gest, while slate was carted from Ffestiniog down to quays along the Afon Dwyryd, then boated to Porthmadog for transfer to seagoing vessels. built a sea wall, the Cob, to reclaim Traeth Mawr for agriculture.]] In the later 19th century, Porthmadog flourished as a port, its population rising from 885 in 1821…