5 - Porth Towan to Trefor
Porth Howel
From Penrhyn Glas a view of Porth Howel .Yr Eifl in the distance
The Carreg-y-Llam Quarry has taken a huge chunk out off the mountain.
One of the 3 Nant Gwrtheyrn Quarries started shortly after 1850 to supply granite setts for paving and construction work in large cities.
Ref: NW 1138
Date: 27/06/2022
Location: SH 3346 4379
