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Île d'Oléron facts for kids

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Île d'Oléron
Location Atlantic Ocean
Archipelago Archipel charentais
Area 175 km2 (68 sq mi)
Length 34 km (21.1 mi)
Width 15 km (9.3 mi)
Highest elevation 34 m (112 ft)
Demonym Oléronais(e)
Population 22,032
Pop. density 126.6 /km2 (327.9 /sq mi)

Île d'Oléron (pronounced: [il doleʁɔ̃]) is an island and canton in the Atlantic coast of France (to the west of Rochefort). It is the second largest island of Metropolitan France, after Corsica. The capital, and largest town, is Saint-Pierre-d'Oléron; it is in the centre of the island.

Since 1966, there is a bridge that connects the island with mainland.


Île d'Oléron
Map of Oléron

The Île d'Oléron is on the southern side of the Pertuis d'Antioche strait.

The island is 34 kilometres (21.1 mi) long and 15 kilometres (9.3 mi) wide; it has an area of 175 square kilometres (67.6 sq mi). It is a very flat island and its highest point, the Grande dune de Saint-Trojan dune in the southern part of the island, is only 34 metres (111.5 ft) high.

The southern point of the island is Pointe de Gatseau, the northern one is Pointe de Chassiron and the eastern one is Pointe des Saumonards. Near this last point is the Fort Boyard, a fortification in the Pertuis d'Antioche that is used for the French TV show of the same name.


The climate in Saint-Denis-d'Oléron is an oceanic climate with template summers, Cfb (Marine West Coast Climate) in the Köppen climate classification.

The average amount of precipitation for the year in Saint-Denis-d'Oléron is 777.2 mm (30.6 in). The month with the most precipitation on average is December with 88.9 mm (3.5 in) of precipitation. The month with the least precipitation on average is August with an average of 40.6 mm (1.6 in).

The average temperature for the year in Saint-Denis-d'Oléron is 13.5 °C (56.3 °F). The warmest month, on average, is August with an average temperature of 20.0 °C (68.0 °F). The coolest month on average is January, with an average temperature of 7.3 °C (45.1 °F).


StGeorges Oleron eglise
Saint-Georges-d'Oléron church

Administratively, the island belongs to the Charente-Maritime department, arrondissement of Rochefort, in the Nouvelle-Aquitaine region.

The island was divided in two cantons: Canton du Château-d'Oléron and Canton de Saint-Pierre-d'Oléron, with 4 communes each. In 27 February 2014, the number of cantons was reduced and the two cantons of the island were combined to form only one: the Canton de l'Île d'Oléron, divided in 8 communes.


The inhabitants of Île d'Oléron are known, in French, as Oléronais (women: Oléronaises).

Île d'Oléron has a population, in 2014, of 22,032, for a population density of 125.9 inhabitants/km2.

The eight communes of the island and their populations (2013) are:

Commune Population
17486 La Brée-les-Bains &&&&&&&&&&&&0701.&&&&&0701
17093 Le Château-d'Oléron &&&&&&&&&&&04063.&&&&&04,063
17140 Dolus-d'Oléron &&&&&&&&&&&03253.&&&&&03,253
17485 Le Grand-Village-Plage &&&&&&&&&&&01040.&&&&&01,040
17323 Saint-Denis-d'Oléron &&&&&&&&&&&01357.&&&&&01,357
17337 Saint-Georges-d'Oléron &&&&&&&&&&&03583.&&&&&03,583
17385 Saint-Pierre d'Oléron &&&&&&&&&&&06694.&&&&&06,694
17411 Saint-Trojan-les-Bains &&&&&&&&&&&01341.&&&&&01,341


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