Breiðafjörður (, ''wide fjord'') is a large shallow bay, about 50 km wide and 125 km long, in the west of Iceland. It separates the region of the

Westfjords The Westfjords or West Fjords ( is, Vestfirðir , ISO 3166-2:IS: IS-4) is a large peninsula in northwestern Iceland and an administrative district, the least populous administrative district. It lies on the Denmark Strait, facing the east coast ...

(Vestfirðir) from the Snæfellsnes peninsula to the south. Breiðafjörður is encircled by mountains, including

Kirkjufell Kirkjufell (Icelandic language, Icelandic: , "Church Mountain") is a 463 m high hill on the north coast of Iceland's Snæfellsnes peninsula, near the town of Grundarfjörður. It is claimed to be the most photographed mountain in the countr ...

and the glacier

Snæfellsjökull Snæfellsjökull (, ''snow-fell glacier'') is a 700,000-year-old glacier-capped stratovolcano in western Iceland. It is situated on the westernmost part of the Snæfellsnes peninsula in Iceland. Sometimes it may be seen from the city of Reykjaví ...

on the Snæfellsnes peninsula, and the

Látrabjarg Látrabjarg () is a promontory and the westernmost point in Iceland. The cliffs are home to millions of birds, including puffins, northern gannets, guillemots and razorbills. It is vital for their survival as it hosts up to 40% of the world popul ...

bird cliffs at the tip of the Westfjords. Numerous smaller fjords extend inland from Breiðafjörður, the largest being Hvammsfjörður at its southeastern corner. An interesting feature of the bay is that the land to the north was formed about 15 million years ago, whereas the land to the south was formed less than half that time ago.

Nature

Breiðafjörður has a spectacular land and seascape consisting of shallow seas, small fjords and bays, and intertidal areas, dotted with about 3,000 islands, islets and skerries. The area contains about half of Iceland's intertidal area and tides can be six metres. The

bedrock In geology, bedrock is solid Rock (geology), rock that lies under loose material (regolith) within the crust (geology), crust of Earth or another terrestrial planet. Definition Bedrock is the solid rock that underlies looser surface mater ...

was formed during rift volcanism in the late

Tertiary Tertiary ( ) is a widely used but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start ...

. The area consists mainly of

basaltic Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90% of a ...

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or un ...

that was deeply eroded by glaciers during the

quaternary age The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million year ...

, creating a diverse landscape. There are several geothermal sites, some visible only at

low tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables can ...

Plants and animals

The big intertidal zone is high in

biodiversity Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic (''genetic variability''), species (''species diversity''), and ecosystem (''ecosystem diversity'') l ...

and productivity and has extensive

algal Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...

forests and other important

habitats In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

for

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

and

invertebrates Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...

. The area supports 230 species of

vascular plants Vascular plants (), also called tracheophytes () or collectively Tracheophyta (), form a large group of land plants ( accepted known species) that have lignified tissues (the xylem) for conducting water and minerals throughout the plant. They al ...

and around 50 breeding bird species including

common shag The European shag or common shag (''Gulosus aristotelis'') is a species of cormorant. It is the only member of the monotypic genus ''Gulosus''. It breeds around the rocky coasts of western and southern Europe, southwest Asia and north Africa, mai ...

glaucous gull The glaucous gull (''Larus hyperboreus'') is a large gull, the second-largest gull in the world. It breeds in Arctic regions of the Northern Hemisphere and winters south to shores of the Holarctic. The genus name is from Latin ''larus'', which a ...

white-tailed eagle The white-tailed eagle (''Haliaeetus albicilla'') is a very large species of sea eagle widely distributed across temperate Palearctic, Eurasia. Like all eagles, it is a member of the family Accipitridae (or accipitrids) which includes other diur ...

, common eider,

black guillemot The black guillemot or tystie (''Cepphus grylle'') is a medium-sized seabird of the Alcidae family, native throughout northern Atlantic coasts and eastern North American coasts. It is resident in much of its range, but large populations from the ...

and grey phalarope. The area is important staging area for brent goose and red knot. The common seal and the

grey seal The grey seal (''Halichoerus grypus'') is found on both shores of the North Atlantic Ocean. In Latin Halichoerus grypus means "hook-nosed sea pig". It is a large seal of the family Phocidae, which are commonly referred to as "true seals" or " ...

have their main

haul-out Hauling-out is a ethology, behaviour associated with pinnipeds (true seals, sea lions, fur seals and walruses) temporarily leaving the water. Hauling-out typically occurs between periods of foraging activity. Rather than remain in the water, pin ...

on the islands and skerries. Several species of

cetaceans Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...

are commonly found including

common porpoise The harbour porpoise (''Phocoena phocoena'') is one of eight extant species of porpoise. It is one of the smallest species of cetacean. As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar ...

, white-beaked dolphin,

killer whale The orca or killer whale (''Orcinus orca'') is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only extant species in the genus ''Orcinus'' and is recognizable by its black-and-white pa ...

and minke whale.

Islands

Elliðaey (Breiðafjörður) Iceland M74A1908

The islands in Breiðafjörður have an unbroken history of human use, but now only Flatey is inhabited year-round. Many islands are used for summer residences and for harvesting of natural resources such as eiderdown. Some of the islands are: * Flatey * Brokey * Skáleyjar * Hvallátur * Svefneyjar * Sviðnur * Hergilsey * Elliðaey

Economy and Ecology

Fisheries Fishery can mean either the enterprise of raising or harvesting fish and other aquatic life; or more commonly, the site where such enterprise takes place ( a.k.a. fishing ground). Commercial fisheries include wild fisheries and fish farms, both ...

tourism Tourism is travel for pleasure or business; also the theory and practice of touring (disambiguation), touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tour (disambiguation), tours. Th ...

and algal harvesting are other major uses of the area. South of

Reykhólar Reykhólar () is an Icelandic village in the Westfjords, in the northwest area of the country. The village, with around 120 inhabitants, has a swimming pool near the local camp site with a great view on the sea and mountains. The camp site, hostel ...

, on a small island offshore, Norður & Co. manufactures sea salt obtained by evaporation of seawater using

geothermal energy Geothermal energy is the thermal energy in the Earth's crust which originates from the formation of the planet and from radioactive decay of materials in currently uncertain but possibly roughly equal proportions. The high temperature and pres ...

. The process was first used in this region in 1753 and was chosen by Soren Røsenkilde when he established Norður in 2012. Breiðafjörður is the

spawning ground Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, ''to spawn'' refers to the process of releasing the eggs and sperm, and the act of both sexes is called spawning. Most aquatic animals, except for aquat ...

for some of Iceland's most important economic fish species.

Transport

From the little port of

Stykkishólmur Stykkishólmur () is a town and municipality situated in the western part of Iceland, in the northern part of the Snæfellsnes peninsula. It is a center of services and commerce for the area. Most of the people make their living from fishing and ...

on the Snæfellsnes peninsula, a ferry crosses Breiðafjörður to Brjánslækur in the Westfjords, stopping at the island of Flatey on the way. It is also possible to circle around Breiðafjörður overland, by car. If the weather is fine, it is possible to see the coast line of the Westfjords from the Snæfellsnes peninsula, at a distance of up to 40 km.

Culture and history

During the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...

, especially in the 12th century, there was a

monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone (hermits). A monastery generally includes a place reserved for prayer which ...

Augustine Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berbers, Berber origin and the bishop of Hippo Regius in Numidia (Roman pr ...

monk A monk (, from el, μοναχός, ''monachos'', "single, solitary" via Latin ) is a person who practices religious asceticism by monastic living, either alone or with any number of other monks. A monk may be a person who decides to dedica ...

s on the island of Flatey which formed an important centre of Icelandic culture. The most extensive medieval manuscript, the '' Flateyjarbók'' was written there. Afterwards, the island was an important trading post and also home to a printing press.

External links

Marine Protected areas p.28
{{DEFAULTSORT:Breidafjordur Fjords of Iceland Western Region (Iceland)