Anglesey Sqn Search and Rescue Helicopters, both units providing employment for about 500 civilians. RAF Valley is now the headquarters of 22 Sqn Search and Rescue. There is a wide range of smaller industries, mostly located in industrial and business parks, especially at Llangefni and Gaerwen. These include an abattoir and fine chemical manufacturing, as well as factories for timber production, aluminium smelting, fish farming and food processing. The island is also on one of the major routes from Britain to Ireland, via ferries from Holyhead, off the west of Anglesey on Holy Island, serving Dún Laoghaire and Dublin Port. Much
Holyhead Mountain Hut Circles by the Royal Society for the Protection of Birds. The Holyhead Mountain Hut Circles are under the care of Cadw; the site is open to the public, free of charge, throughout the year, except for 24, 25 and 26 December and New Year's Day. Access is by a stone stile over a wall. Holyhead Mountain Hut Circles The Holyhead Mountain Hut Circles, also known as Cytiau'r Gwyddelod or the Irishmen's Huts, are the remains of a group of prehistoric huts near Trearddur on Holy Island, Anglesey, Wales. The site is under the care of Cadw and can be visited all