The is a range of

volcanic A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates a ...

mountains in central

Hokkaidō is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. The mountain range is made up from the

Daisetsuzan Volcanic Group The is a volcanic group of peaks arranged around the wide caldera in Hokkaidō, Japan. In the Ainu language it is known as ''Nutapukaushipe'' (which means "the mountain above the river"),

and the

Tomuraushi Volcanic Group is a volcanic group in Hokkaidō, Japan. Along with the Daisetsuzan Volcanic Group they make up the Ishikari Mountains in Daisetsuzan National Park. The group consists of andesite and dacite stratovolcano A stratovolcano, also known as a ...

. The volcanoes are part of the

Kurile arc The Kuril Islands or Kurile Islands (; rus, Кури́льские острова́, r=Kuril'skiye ostrova, p=kʊˈrʲilʲskʲɪjə ɐstrɐˈva; Japanese: or ) are a volcanic archipelago currently administered as part of Sakhalin Oblast in the ...

of the

Pacific ring of fire The Ring of Fire (also known as the Pacific Ring of Fire, the Rim of Fire, the Girdle of Fire or the Circum-Pacific belt) is a region around much of the rim of the Pacific Ocean where many Types of volcanic eruptions, volcanic eruptions and ...

References

Hokkaipedia, Daisetsuzan Mountains
last access 2 July 2008. Mountain ranges of Hokkaido {{Hokkaido-geo-stub