9 - Benllech - Menai Bridge
Penmon Natural Arch
A small Arch in the Limestone . The sea has cut through the sloping Carboniferous Limestone Strata.
The Trwyn Du coastguard cottages , at the easternmost point of Anglesey , in the distance.
Ref: NW 4540.1
Date: 06/06/2025
Location: SH 6371 8140
