3 - Four Mile Bridge to Trearddur
Porth Gwalch - 2
A closer view of the North face of Porth Gwalch , with climbers.
The massive Quartzite Rocks which forms the upper part of the cliffs are interpreted
as being a channel in an ancient delta which became filled in with sand.
Ref: NW 1863
Date: 25/03/2023
Location: SH 2576 7536
