4 - Trearddur to Holyhead
Dolerite Sea Stack
Looking over Porth Namarch towards a Dolerite sea stack in an inlet (an eroded Dolerite Dyke).
A prominent feature ofthe Holyhead Breakwater Country Park is the Chimney of William Wild and Sons brickworks, which produced a heat resistant type of brick.
Ref: NW 2088
Date: 02/05/2023
Location: SH 2238 8372
