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Archipelago

    Japan

    34°05′N 132°41′E

    Bōyo Islands

    防予諸島

    The Bōyo Islands (防予諸島, Bōyo-shotō or Hōyo-shotō) are a group of 41 islands that belong to Yamaguchi and Ehime Prefectures in the Inland Sea. The largest by far is Suō-Ōshima, or Yashiro Island.

    山口県上関町長島の上関原子力発電所計画地と祝島 Nagashima-Island & Iwaishima-Island in Japan.
    山口県上関町長島の上関原子力発電所計画地と祝島 Nagashima-Island & Iwaishima-Island in Japan.

    BrackWorry / Public domain

    Chart

    503 landforms

    Overview

    The Bōyo Islands (防予諸島, Bōyo-shotō or Hōyo-shotō) are a group of 41 islands that belong to Yamaguchi and Ehime Prefectures in the Inland Sea. The largest by far is Suō-Ōshima, or Yashiro Island.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands6
    • Minor islands37
    • Islets83
    • Rocks & skerries377

    Major islands

    6
    • Suō Ōshima

      Suō Ōshima

      Area
      129 km²
      High point
      691 m
    • Nakashima

      Nakashima

      Area
      21.2 km²
      High point
      296 m
    • Nagashima

      Nagashima

      Area
      13.7 km²
      High point
      313 m
    • Gogo Island

      Gogo Island

      Area
      8.5 km²
      High point
      282 m
    • Iwaishima

      Iwaishima

      Area
      7.7 km²
      High point
      365 m

      Iwai Island (祝島, Iwai-shima) is an island of the Inland Sea in Japan. With a total altitude of 82 m, it lies at the south-eastern edge of the Yamaguchi Prefecture (山口県, Yamaguchi-ken) at coordinates 33°46′48.00″N 131°58′12.00″E.

    Minor islands

    37

    Rocks & skerries

    377

    On the chart above, at its closest zooms.

    Listing 43 of 503; the rest are on the chart.

    Figures

    Comparative heights

    Sea level200 m400 m600 m800 m691 mSuō Ōshima468 mHeigun365 mIwaishima313 mNagashima296 mNakashima295 mHashira288 mYashima282 mGogo234 m大水無瀬島216 m片島208 mKakezujima206 mNuwa198 mMuzuki193 mYurijima
    High points by island, metres above sea level.

    Islands by area

    0.11101001,000Suō Ōshima: 129 km²Suō ŌshimaNakashima: 21.2 km²NakashimaHeigun: 16.6 km²HeigunNagashima: 13.7 km²NagashimaGogo: 8.5 km²GogoIwaishima: 7.7 km²IwaishimaNuwa: 4.7 km²NuwaYashima: 4.2 km²YashimaMuzuki: 3.8 km²MuzukiHashira: 3 km²HashiraTsuwajijima: 2.8 km²TsuwajijimaUkashima: 2.3 km²UkashimaFutagami: 2.1 km²FutagamiUshima: 1.9 km²UshimaSago jima: 1.3 km²Sago jimaMaejima: 1.1 km²MaejimaNasakejima: 0.98 km²NasakejimaOkikamurojima: 0.96 km²OkikamurojimaKasasajima: 0.9 km²KasasajimaNogutsuna: 0.88 km²NogutsunaUmashima: 0.75 km²UmashimaHashima: 0.7 km²HashimaKakezujima: 0.69 km²KakezujimaYurijima: 0.68 km²Yurijima大水無瀬島: 0.65 km²大水無瀬島片島: 0.61 km²片島Kashira: 0.55 km²KashiraKuroshima: 0.54 km²KuroshimaTsurushima: 0.52 km²TsurushimaShimoninaijima: 0.33 km²ShimoninaijimaUnnamed island: 0.32 km²Unnamed islandHashirajima: 0.31 km²HashirajimaTeshima: 0.3 km²TeshimaMoroshima: 0.22 km²MoroshimaAmata Jima: 0.22 km²Amata Jima小水無瀬島: 0.2 km²小水無瀬島Tatsu Shima: 0.19 km²Tatsu ShimaUwa Shima: 0.17 km²Uwa ShimaKamininaijima: 0.15 km²KamininaijimaKashima: 0.14 km²Kashima
    km², log scale
    Suō Ōshima129 km²
    Nakashima21.2 km²
    Heigun Island16.6 km²
    Nagashima13.7 km²
    Gogo Island8.5 km²
    Iwaishima7.7 km²
    Nuwa Island4.7 km²
    Yashima4.2 km²
    Muzuki Island3.8 km²
    Hashira Island3 km²
    Tsuwajijima2.8 km²
    Ukashima2.3 km²
    Futagami Island2.1 km²
    Ushima1.9 km²
    Sago jima1.3 km²
    Maejima1.1 km²
    Nasakejima0.98 km²
    Okikamurojima0.96 km²
    Kasasajima0.9 km²
    Nogutsuna Island0.88 km²
    Umashima0.75 km²
    Hashima Island0.7 km²
    Kakezujima0.69 km²
    Yurijima0.68 km²
    大水無瀬島0.65 km²
    片島0.61 km²
    Kashira Island0.55 km²
    Kuroshima Island0.54 km²
    Tsurushima0.52 km²
    Shimoninaijima0.33 km²
    Unnamed island0.32 km²
    Hashirajima Island0.31 km²
    Teshima Island0.3 km²
    Moroshima Island0.22 km²
    Amata Jima0.22 km²
    小水無瀬島0.2 km²
    Tatsu Shima0.19 km²
    Uwa Shima0.17 km²
    Kamininaijima0.15 km²
    Kashima Island0.14 km²
    Tsuzukijima Island0.1 km²
    Kurakake Island0.1 km²
    笹島0.1 km²

    Groups within

    4

    Sources

    Facts

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

    Photographs