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Archipelago

    Philippines, Vietnam and China

    11°27′N 114°21′E

    North Danger Reefs

    Part of Spratly Islands

    North Danger Reef (Filipino: Bahura ng Peligro); (Vietnamese: Cụm Song Tử); (Chinese: 双子群礁; pinyin: Shuāngzǐ Qúnjiāo), is one of the seven major reefs / banks / etc. in the Spratly Islands area of the South China Sea.

    natural color satellite image of North Danger Reef, northern Spratly Islands, South China Sea (Landsat 7: Path 120 Row 52)
    natural color satellite image of North Danger Reef, northern Spratly Islands, South China Sea (Landsat 7: Path 120 Row 52)

    NASA / Public domain

    Chart

    2 landforms

    Overview

    North Danger Reef (Filipino: Bahura ng Peligro); (Vietnamese: Cụm Song Tử); (Chinese: 双子群礁; pinyin: Shuāngzǐ Qúnjiāo), is one of the seven major reefs / banks / etc. in the Spratly Islands area of the South China Sea. It is the most North Western of the features of the Spratly Islands, located to the NW of Dangerous Ground. The reef is a large (8.5 nautical miles) approximately circular atoll with a central lagoon (~20m deep). The surrounding reef is shallow.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands2
    • Minor islands0
    • Islets0
    • Rocks & skerries0

    Major islands

    2
    • Northeast Cay

      Northeast Cay

      Area
      0.17 km²
      High point
      4 m

      Northeast Cay, also known as Parola Island (Filipino: Pulo ng Parola, lit. 7 hectares (31 acres), is the fifth largest of the naturally occurring Spratly Islands and the third largest of the Philippine-occupied islands. It is part of the North Danger Reef and is located to the northwest of Dangerous Ground.

    • Southwest Cay

      Area
      0.19 km²
      High point
      8 m

      Southwest Cay, also known as Vietnamese: Đảo Song Tử Tây; Pugad Island (Filipino: Pulo ng Pugad, lit. 'Island of Nest'); Mandarin Chinese: 南子島/南子岛; pinyin: Nánzi Dǎo, is an island on the northwestern edge of the Spratly Islands in the South China Sea. 82 km) southwest of Northeast Cay.

    Figures

    Comparative heights

    Sea level2 m4 m6 m8 m8 mSouthwest Cay4 mNortheast Cay
    High points by island, metres above sea level.

    Islands by area

    Overlapping groups

    Sources

    Facts

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