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Anticosti Island
Île d'Anticosti  (French)
Notiskuan  (Innu)
Natigostec  (Mi'kmaq)
Salmon fisherman on Rivière à l'Huile
Anticosti Island is located in Quebec
Anticosti Island
Anticosti Island
Location in Quebec
Location Gulf of Saint Lawrence
Coordinates 49°30′N 63°00′W / 49.500°N 63.000°W / 49.500; -63.000
Area 7,923.16 km2 (3,059.15 sq mi)
Length 222 km (137.9 mi)
Width 56 km (34.8 mi)
Province Quebec
Region Côte-Nord
County Minganie
Largest Municipality L'Île-d'Anticosti
Population 240

Anticosti Island (French: Île d'Anticosti; Innu: Notiskuan; Mi'kmaq: Natigostec) is an island in the Minganie Regional County Municipality, in administrative region of Côte-Nord, the province of Quebec, Canada.

This island is located at the outlet of the Saint Lawrence River into the Gulf of Saint Lawrence, between 49° and 50° N., and between 61° 40' and 64° 30' W. At 7,892.52 km2 (3,047.32 sq mi) in size, it is the 90th largest island in the world and 20th largest island in Canada. Anticosti Island is separated on the north from the Côte-Nord region of Quebec (the Labrador Peninsula) by the Jacques Cartier Strait, and on the south from the Gaspé Peninsula by the Honguedo Strait.

Anticosti Island is larger than Prince Edward Island but sparsely populated (240 people in 2011), with most of the permanent population in the village of Port-Menier on the western tip of the island, consisting chiefly of the keepers of the lighthouses erected by the Canadian government. The entire island constitutes one municipality known as L'Île-d'Anticosti.

Due to more than 400 shipwrecks off its coasts, Anticosti Island is sometimes called the "Cemetery of the Gulf".


Satellite image of Anticosti Island

Anticosti Island is part of the eastern Saint Lawrence lowlands. It is 222 km (138 mi) long and has a maximum breadth of 56 km (35 mi) —1½ times as large as the province of Prince Edward Island. Its coastline is 520 km (320 mi) long, and is rocky and dangerous, offering little shelter for ships except in Gamache, Ellis, and Fox Bays. There are large shoals to the south.

The largest lake on the island is Lake Wickenden, which feeds the Jupiter River. There are numerous rivers on Anticosti, many of which flow through deep gorges and canyons to the north and south shores.

Topographically, Anticosti Island can be divided into three distinct regions: two lowland areas, rarely exceeding 150 metres (490 ft) in elevation, in the eastern and western thirds of the island linked along the coast; and a central highland forming a plateau that rises to just over 300 m (980 ft). This plateau is an unidirectional structure slightly tilted to the south, and is characterized by rolling cuestas. The rocks exposed on the island form a continuous sedimentary stratum more than 2,000 m (6,600 ft) thick. These are the most complete strata in eastern North America of the Ordovician and Silurian periods.

The main rivers are:

South shore of Anticosti Island (from west to east):

North shore of Anticosti Island (from west to east):


The climate of Anticosti Island is maritime sub-boreal (Dfc), tempered by the maritime influence of the Gulf of St. Lawrence which reduces the temperature differences. The average annual temperature is 1.9 °C (35.4 °F). The month of July is the warmest with an average temperature of 14.79 °C (58.62 °F). Conversely, February is the coldest month, on average −11.2 °C (11.8 °F). Snow precipitation is abundant, usually accumulating over 300 centimetres (120 in) in the western and central parts.

Climate data for Port Menier (1951–1980)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 7.2
Average high °C (°F) −6.2
Daily mean °C (°F) −10.5
Average low °C (°F) −15.0
Record low °C (°F) −36.7
Precipitation mm (inches) 79.5
Rainfall mm (inches) 11.7
Snowfall cm (inches) 78.4
Avg. precipitation days (≥ 0.2 mm) 16 12 10 11 11 10 12 11 10 12 12 14 141
Avg. rainy days (≥ 0.2 mm) 3 1 2 6 10 10 12 11 10 12 7 2 86
Avg. snowy days (≥ 0.2 cm) 14 10 9 5 1 0 0 0 0 1 6 13 59
Sunshine hours 77.6 121.0 137.0 163.8 243.2 243.8 243.8 253.2 172.4 127.4 95.5 62.8 1,941.5
Source: Environment Canada


For thousands of years, Anticosti Island was the territory of the indigenous peoples who lived on the mainland and used it as a hunting ground. The Innu called it Notiskuan, translated as "where bears are hunted" and the Mi'kmaq called it Natigôsteg, meaning "forward land".


Some early settlers called some Native Americans the Anticosti, and documented their ethnobotany. A full list of 26 plants using this name attributed to them can be found at

Exploration and settlement

The French explorer Jacques Cartier sailed along its shore in the summer of 1534. He provided its first written description and named it Isle de l'Assomption, because he reached it on the Day of the Assumption of Mary. This name had fallen into disuse by 1656. About 1586, the historian André Thevet wrote that "the savages named [it] Naticousti", while Samuel de Champlain spelled it Antiscoti (1612), Antiscoty (1613), Enticosty (1625) and Antycosty (1632). From that time on, France had officially incorporated the island into its colonial empire.

The island's first European settlers arrived in 1680 when Louis XIV gave Louis Jolliet the Seigneury of the Mingan Archipelago and Anticosti Island as compensation for reconnoitring the Mississippi and Hudson Bay. Louis Jolliet erected a fort on Anticosti and in the spring of 1681 settled there with his wife, four children and six servants. His fort was captured and occupied during the winter of 1690 by some of the Massachusetts troops of William Phips during their retreat after an unsuccessful attempt to capture Quebec City. After Jolliet's death in 1700, the island was divided among his three sons and the Jolliet family retained ownership until 1763 when the island became part of British North America under the terms of the Treaty of Paris that ended the Seven Years' War. That same year, the island was annexed to Newfoundland until 1774 when it was returned to Lower Canada and annexed again to Newfoundland from 1809 to 1825. It became a part of Quebec (as Lower Canada came to be called) at the Canadian Confederation in 1867. During these years the island property changed hands several times, its owners generally using it for the harvesting of timber; otherwise no real development took place. For example, the French Canadian Gabriel-Elzéar Taschereau owned it among other seigneuries and made money from them.

In 1874, it was bought by the Anticosti Island Company and they founded the villages at English Bay and Fox Bay. Most of the inhabitants, however, continued to be the few keepers of the island's many lighthouses. Because of the number of shipwrecks around the island, stores of provisions were also maintained around the island for sailors who might be washed ashore. In 1882, the Parish of Notre-Dame-de-l'Assomption was founded, a term referring to Cartier's name for the island. In 1884, the island became property of the Stockwell brothers who formed a forestry company two years later. But they were unsuccessful and the company lasted only five years. By the 1890s, the fish and wildlife of the island had been almost eradicated through the locals' indiscriminate slaughter.

Port-Menier, Anticosti Island, in 1922

In 1895, Anticosti was sold for $125,000 to French chocolate maker Henri Menier who also leased the shore fishing rights. Menier named the island's 70 m (230 ft) high Vauréal Falls after the town of Vauréal in France where he owned a home. He constructed the entire village of Port-Menier, built a cannery for packing fish and lobsters, and attempted to develop its resources of lumber, peat and minerals. Many of the original houses still stand today. Furthermore, he converted the island into a personal game preserve and introduced nonindigenous animals for this purpose, including a herd of 220 white-tailed deer. The deer thrived and today the population exceeds 160,000 while the island's moose population is about 1,000. It has been reported that black bears, which rely on berries to bulk on for the winter, had lived on the island until the introduction, but have disappeared perhaps because of the deer eating the berry bushes bare.

Henri Menier died in 1913 and his brother Gaston became the owner of Anticosti Island. He used and maintained it for a time but eventually decided it was not an economically viable operation and sold it to the Wayagamack Pulp and Paper Company in 1926 for $6,000,000. For the next five decades, the island was used almost exclusively by logging companies which invested nothing in environmental or heritage protection, while the villages at English Bay and Fox Bay were abandoned.

Wayagamack was successful until the Great Depression when the paper market collapsed. The island property was taken over by Consolidated Paper Corporation Limited in 1931, but they showed little interest in it and put it up for sale. Offers came from Canadian, American, British, French and Belgian parties. In July 1937, an offer was received from a consortium of Dutch and German capitalists who intended to build a sulphite mill and wanted a steady supply of pulpwood and access to Canadian capital. In the autumn of that year, a team of German surveyors travelled to the island to examine its timber and export potential. When this story broke in the Montreal Gazette of 2 December 1937, it caused an immediate controversy since the story claimed that the survey team was really made up of Adolf Hitler's agents and that most were naval, military and fortifications experts. Despite the substantial offer, the promise of thousands of new jobs, and the fact that there were no legal methods to block the sale, the suspicions remained. A committee was set up to investigate the affair but concluded that "there was no evidence to indicate that the project has other than a commercial purpose". When the deadline to purchase the island passed on 15 September 1938, the offer expired and controversy died out.

In 1974, the government of Quebec purchased the island from the forestry company Consolidated Bathurst Ltd. for $23,780,000. Anticosti was placed under management by the Ministry of Recreation, Hunting and Fishing (ministère du Loisir de la Chasse et de la Pêche) and in 1983 the process began to set up a working municipal structure. Today, about 60% is under management by Sépaq and since April 2001, 572 km2 (221 sq mi) has been designated as a national conservation park. With its 24 rivers and streams bountiful with salmon and trout, the island is now a tourist destination for anglers and hunters, particularly from the United States and Canada, as well as for paleontologists, bird watchers and hikers.

Municipality of L'Île-d'Anticosti

Access and transportation

Access to the island is either by boat or plane. From April to mid-January, the commercial shipping company Relais Nordik services Port-Menier twice weekly with a passenger and cargo vessel.

The Port-Menier Airport is serviced by Air Liaison which provides regular scheduled flights to Sept-Îles and Havre-St-Pierre. There are two other aerodromes on the island, both towards the eastern end. Rivière-aux-Saumons (CTH7) is located on the northern side of the island and was paved in July 2010; Rivière Bell (CRB5) is gravel and is located on the southern side. These are used by outfitters and charter companies that provide private air services during the tourist season.

The Henri-Menier Road or Transanticostienne Road, the island's unpaved main road, stretches from Port-Menier to the eastern tip, with numerous forest roads branching off to provide access to various tourist locations and logging concessions. Car rental is available in Port-Menier.


Boreal forest on Anticosti Island

The forests of Anticosti Island are typical boreal forest, with common species such as white spruce, balsam fir, and black spruce. It is distinguished by some minor stands of American white birch and trembling aspen. Balsam fir is slowly being replaced with white spruce because of intensive grazing done by deer and by periodic outbreaks of hemlock looper and spruce budworm. About a quarter of the island is covered by peat lands.

Anticosti Island is home to the rare lady's slipper orchid. While populations are declining elsewhere in eastern North America, the orchid flourishes here abundantly, making Anticosti a refuge for this plant.


The wildlife is characteristic of an isolated marine environment. Of the 24 mammal species, 14 of these are marine mammals that include grey seals and harbour seals. Even large whales ply the nearby cold waters of the gulf.

Originally, there were probably only seven indigenous species of land mammals, namely the red fox, river otter, deer mouse, American marten, black bear and two bat species (the little brown and northern bat), but the marten and bear have now disappeared. Black foxes have been seen on the island.

In order to make Anticosti Island a hunter's paradise, several animal species have been introduced since 1896, making the island an unprecedented biological experiment. In all, sixteen new species have been introduced, but six proved to be unsuccessful, including bison, caribou, elk, mink and fisher. For ten species it has been fruitful: six species of terrestrial mammals (such as white-tailed deer, moose, beaver, snowshoe hare and muskrat), two species of frogs, and two species of non-migratory birds (ruffed grouse and the spruce grouse). Of all these species introduced, the success of white-tailed deer is particular noteworthy. From an initial group of about 200 introduced in 1896 and 1897, the population of white-tailed deer has grown to an estimated 160,000 animals today, representing a density of 20 deer/km2. Without predators, this artificially elevated level of deer population has had large impacts on the ecosystem of the island. Balsam fir covered about 40% of the island prior to the introductionthe of deer. The deer prevent fir regeneration and the firs are being replaced by white spruce.

The brook trout, Atlantic salmon and American eel visit the shores and swim up several rivers of the island.

Some 221 bird species distributed among 21 families have been observed on Anticosti Island. It is home to nearly 60% of the known breeding sites of the bald eagle in the province of Quebec.


See also: Anticosti National Park

Because of its untamed wilderness and abundant wildlife, Anticosti Island is known for its hunting, fishing and outdoor opportunities and it attracts some 3,000 to 4,000 hunters per year.

The majority of Anticosti Island (4,213 km2 or 1,627 sq mi) is under management by Sépaq Anticosti, a division of the provincial parks and wildlife reserves agency Sépaq. It actively promotes tourism on the island, in particular hunting and fishing tours. Another 572 km2 (221 sq mi) is protected in the Anticosti National Park (Parc national d'Anticosti). In addition to hunting and fishing, many other outdoor recreational activities are supported in this park, such as hiking, horseback riding, nature viewing and sea kayaking.

There are also five commercial outfitters that hold exclusive hunting and fishing rights to 7,263 km2 (2,804 sq mi) of the island.

Utica Shale

The Utica Shale, a stratigraphical unit of Middle Ordovician age that is potentially rich in shale gas reserves, underlies the Anticosti Islands and extends to surrounding areas in Quebec, Ontario and much of northeastern United States. On February 8, 2011, the citizen group "Non au Pétrole et au Gaz au Québec" released one of the biggest petitions in Quebec history against fracking in the province of Quebec with 128,000 signatures thinking it would prevent the oil and gas exploration on Anticosti. In June 2011, the Quebec firm Pétrolia claimed to have discovered about 30 billion barrels of oil on the island of Anticosti, which is the first time that significant reserves have been found in the province.

In February 2014, Premier of Quebec Pauline Marois announced that the provincial government would help finance two exploratory shale gas operations as a prelude to hydraulic fracturing on the island, with the province pledging $115-million to finance drilling for two separate joint ventures in exchange for rights to 50% of the licences and 60% of any commercial profit. It was the first oil and gas deal of any size for the province. With the change in government that occurred in April 2014, the Liberals of Philippe Couillard could change that decision. Petrolia Inc., Corridor Resources and Maurel & Prom formed one joint-venture, while Junex Inc. was still seeking a private partner.

On June 4, 2013, the citizen group "Non au Pétrole et au Gaz au Québec" realizing that Anticosti was still unprotected against fracking, released another petition, also one of the largest in Quebec history, with 26,000 signatures against fracking, exploration and exploitation of oil and gas on Anticosti Island asking for a moratorium and an environmental evaluation. Geological engineer Marc Durand gave a presentation at a conference explaining that a minimum of 12,000 wells would be necessary for this exploitation and would put Quebec in debt, considering the 12 million dollar cost of one of these wells. A year later, when Pauline Marois announced an investment of 115 million dollars for Petrolia to continue the exploration, the same petition increased up to 36,000 signatures. The government has not started a BAPE (environmental evaluation) specific for Anticosti.

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