9 - Benllech - Menai Bridge
Trecastle Stack
A stack eroded from the low cliffs by the action of the sea.
Alternating layers of coarse grained Conglomerate and finer Sandstone.
Lleiniog beach is part of an SSSI with unique Glacial, Archaeological and Marine Features.
Ref: NW 3031
Date: 16/04/2024
Location: SH 6193 7869
