2010
SH7882 : OSBM bolt benchmark on promenade (Llandudno Tide Gauge Aux 3), Llandudno
taken 15 years ago, near to Llandudno, Conwy, Wales

OSBM bolt benchmark on promenade (Llandudno Tide Gauge Aux 3), Llandudno
This Ordnance Survey benchmark bolt which is set into the concrete at base of steps on the promenade in Llandudno is shown in the Ordnance Survey database as being 5.5955m above the Newlyn datum.