O Dan y Dŵr - Hidden Seascapes of Wales
Holyhead Breakwater
The longest breakwater in the UK.
(zoom in for a closer look)
False colour projection of multibeam sonar data (where colours
represent different depths), illustrating the depth and physical composition of the seabed surrounding Holyhead Breakwater located in northwest Anglesey.
(closer view showing detail at the end of the structure)
(back to the main Breakwater page)