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.

Breakwater looking East (view looking South with the harbour and town in the distance)

Breakwater looking South (back to the main Breakwater page)