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 railway station is connected to the town centre by a steel pedestrian/cycle bridge named The Celtic Gateway. The Celtic Gateway () is a stainless steel pedestrian and cycle bridge located in Anglesey, Wales. Opened on 19 October 2006 by Andrew Davies AM to connect Holyhead's railway station and ferry terminal with the town centre, Holyhead railway station Holyhead railway station () serves the Welsh town of Holyhead () on Holy Island, Anglesey. The station is the western terminus of the North Wales Coast Line west of and is managed by Transport for Wales. It connects with the Holyhead Ferry Terminal. The first