Anglesey the island. The highest six are Holyhead Mountain, ; Mynydd Bodafon, ; Mynydd Llaneilian, ; Mynydd y Garn, ; Bwrdd Arthur, ; and Mynydd Llwydiarth, . To the south and south-east the island is separated from the Welsh mainland by the Menai Strait, which at its narrowest point is about wide. In all other directions the island is surrounded by the Irish Sea. It is the 51st largest island in Europe, and just five square kilometres smaller than Singapore. There are several small towns scattered around the island, making it quite evenly populated. The largest are Holyhead, Llangefni, Benllech, Menai
Holyhead Breakwater maintenance duties were taken over by various road and all-terrain vehicles. The breakwater, which took 28 years to complete, was officially opened on 19 August 1873 by Albert Edward, Prince of Wales. Since November 2014, concrete blocks have been placed at the entrance to block traffic. However, the breakwater is still accessible to walkers. Holyhead Breakwater Holyhead Breakwater is situated at the north-western end of Holyhead on the island of Anglesey in North Wales. The Victorian structure, which is long, is the longest breakwater in the United Kingdom. The breakwater, which is accessible in good weather, has a promenade on