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Archipelago

    Indian OceanSeychelles

    9°25′S 46°25′E

    Aldabra

    Part of Seychelles

    Aldabra, the world's second-largest coral atoll (the largest is Kiritimati), is located east of the continent of Africa.

    The Aldabra Islands form the largest lagoon in the Indian Ocean. The length is 34 km and the width is 14.5 km. The islands are a UN world heritage and not inhabited.
    The Aldabra Islands form the largest lagoon in the Indian Ocean. The length is 34 km and the width is 14.5 km. The islands are a UN world heritage and not inhabited.

    Simisa / CC BY-SA 3.0

    Chart

    19 landforms

    Overview

    Aldabra, the world's second-largest coral atoll (the largest is Kiritimati), is located east of the continent of Africa. It is part of the Aldabra Group of islands in the Indian Ocean that are part of the Outer Islands of the Seychelles, with a distance of 1,120 km (700 mi) southwest of the capital, Victoria on Mahé Island.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands2
    • Minor islands2
    • Islets14
    • Rocks & skerries1

    Major islands

    2
    • Aldabra

      Aldabra

      Area
      9.3 km²
      High point
      16 m

      Picard Island (also known as West Island), is part of the Aldabra atoll in Seychelles. As the third largest island within the Aldabra Group, it is situated 1,150 kilometres southwest of the nation's capital, Victoria. The island spans an area of 9.29 km2.

    Minor islands

    2

    • Polymnie

      Area
      1.9 km²
      High point
      12 m

    • Unnamed island

      Area
      —

      size unknown

    Islets

    14
    • Unnamed island8 m · 0.06 km²
    • Unnamed island10 m · 0.04 km²
    • Unnamed island8 m · 0.03 km²
    • Unnamed island6 m · 0.03 km²
    • Unnamed island8 m · 0.02 km²
    • Unnamed island7 m · 0.7 ha
    • Unnamed island5 m · 0.5 ha
    • Unnamed island7 m · 0.5 ha
    • Unnamed island8 m · 0.3 ha
    • Unnamed island4 m · 0.3 ha
    • Unnamed island5 m · 0.2 ha
    • Unnamed island0.1 ha

    Rocks & skerries

    1
    • Unnamed island<0.1 ha

    Figures

    Comparative heights

    Sea level5 m10 m15 m20 m16 mMiddle16 mAldabra12 mPolymnie
    High points by island, metres above sea level.

    Islands by area

    0.00010.0010.010.1110100Middle: 26.6 km²MiddleAldabra: 9.3 km²AldabraPolymnie: 1.9 km²PolymnieUnnamed island: 0.06 km²Unnamed islandUnnamed island: 0.04 km²Unnamed islandUnnamed island: 0.03 km²Unnamed islandUnnamed island: 0.03 km²Unnamed islandUnnamed island: 0.02 km²Unnamed islandUnnamed island: 0.7 haUnnamed islandUnnamed island: 0.5 haUnnamed islandUnnamed island: 0.5 haUnnamed islandUnnamed island: 0.3 haUnnamed islandUnnamed island: 0.3 haUnnamed islandUnnamed island: 0.2 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed island
    km², log scale. 1 without a known area.
    Middle island26.6 km²
    Aldabra9.3 km²
    Polymnie1.9 km²
    Unnamed island0.06 km²
    Unnamed island0.04 km²
    Unnamed island0.03 km²
    Unnamed island0.03 km²
    Unnamed island0.02 km²
    Unnamed island0.7 ha
    Unnamed island0.5 ha
    Unnamed island0.5 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.2 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island<0.1 ha

    Overlapping groups

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Wikipedia

    Photographs