1 - Porthmadog to Abersoch
Powder House
On the Ynys Cyngar headland at the mouth of the Afon Glaslyn Estuary.
Boats unloaded and stored Gunpowder at The Powder House (C18) before transporting the dangerous material
by horse and cart to the Quarries of the area.
Ref: NW 31
Date: 15/09/2021
Location: SH 554 365
