Grande Glorieuse
Island Small coral island in the Glorieuses archipelago
A small coralline island in the Glorioso group of the Indian Ocean, Grande Glorieuse is administered by France; access is restricted to researchers and patrols, noted for seabird colonies and reef habitats.
Grande Glorieuse is the principal island of the Glorioso Islands group in the northwestern Indian Ocean and is a low coral island with associated reef and lagoon features. It is part of the Îles Glorieuses and is administered by France as one of the Scattered Islands in the Indian Ocean.
The island is uninhabited except for occasional personnel and is noted for its seabird colonies and reef environments. Access is restricted and the area is managed for conservation and sovereignty purposes.
The island has been used for navigation and occasional scientific and administrative visits. It forms part of France’s overseas island territories in the western Indian Ocean.
Grande Glorieuse lies in the Indian Ocean northwest of Madagascar and the Comoros, forming part of the small Glorioso Islands cluster administered by France.
- Political status: Part of the Glorioso Islands, a small French-administered island group in the Indian Ocean
How to Get to Grande Glorieuse #
Grande Glorieuse is accessed only via designated expedition ships or official French supply vessels departing from islands or ports in the region; private visits are restricted and require authorization from French authorities.
Tips for Visiting Grande Glorieuse #
- Travel operators combine visits with Madagascar departures-arrange through expedition companies specializing in French Southern and Antarctic Territories.
- Prepare for strict biosecurity rules when visiting remote islands to protect fragile ecosystems.
- Bring supplies and expect minimal infrastructure; communication can be intermittent.
Best Time to Visit Grande Glorieuse #
Expedition operators prefer austral summer for access; weather remains changeable year-round.
Weather & Climate near Grande Glorieuse #
Tropical climate with consistently warm temperatures year-round. Temperatures range from 21°C to 31°C. Abundant rainfall (1035 mm/year), wettest in January with a pronounced dry season.
January
January is warm with highs of 31°C and lows of 25°C. The wettest month with heavy rain (233 mm).
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February
February is warm with highs of 31°C and lows of 25°C. Significant rainfall (182 mm).
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March
March is the hottest month with highs of 31°C and lows of 25°C. Significant rainfall (152 mm).
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April
April is warm with highs of 31°C and lows of 25°C. Significant rainfall (105 mm).
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May
May is warm with highs of 30°C and lows of 24°C. Moderate rainfall (64 mm).
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June
June is warm with highs of 29°C and lows of 22°C. Moderate rainfall (55 mm).
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July
July is warm with highs of 28°C and lows of 21°C. Moderate rainfall (46 mm).
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August
August is warm with highs of 28°C and lows of 21°C. Moderate rainfall (38 mm).
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September
September is warm with highs of 29°C and lows of 22°C. Light rainfall.
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October
October is warm with highs of 30°C and lows of 23°C. The driest month with just 8 mm.
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November
November is warm with highs of 30°C and lows of 24°C. Light rainfall.
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December
December is warm with highs of 31°C and lows of 25°C. Significant rainfall (113 mm).
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