Arches UK - a collection of Nature’s arches and bridges
Thornwick Nab
NABSQNO 30U 688789 - 6002135
East Yorkshire. Thornwick Bay is a pretty bay to the north of Flamborough Head. Steps lead down to the beach and it is an easy walk across to the arch which is accessible at low tide.
The arch has a span of 9 ft and a height of 18 ft.