Breiðafjörður is a large shallow bay, about 50 km wide and 125 km long and located in the west of Iceland. It separates the region of the West Fjords (Vestfirðir) from the rest of the country. Breiðafjörður is encircled by mountains, including glacier Snæfellsjökull the Snæfellsnes peninsula on the south side and the West Fjord peninsula to the north.