Lake Kuttara

Lake Kuttara
倶多楽湖 (Japanese)
View from the crater rim (August 2017).
Lake Kuttara is located in Hokkaido
Lake Kuttara
Lake Kuttara
Coordinates42°30′N 141°10′E / 42.500°N 141.167°E / 42.500; 141.167 [1]
Typeoligotrophic crater lake
Primary inflowsnone [1]
Primary outflowsevaporation [1]
Basin countriesJapan
Surface area4.68 km2 (1.81 sq mi)
Max. depth148 m (486 ft)[1]
Shore length18 km (5.0 mi)[2]
Surface elevation258 m (846 ft) [1]
Islandsnone [1]
SettlementsShiraoi[1]
References[1]
1 Shore length is not a well-defined measure.

Lake Kuttara (倶多楽湖, Kuttara-ko) is a nearly circular caldera lake in Shiraoi, Hokkaidō, Japan.[1] It is part of Shikotsu-Tōya National Park. The lake is recognized as having the best water quality in all of Japan.[2] With a transparency of 19 metres (62 ft), the lake ranks second to Lake Mashū according to the Ministry of the Environment.

Relief Map

Resident species of the lake include a salamander species, Ezo salamander (エゾサンショウウオ, Ezo Sanshōuo). Since 1909, Sockeye salmon have been introduced to the lake.

See also

References

  1. ^ a b c d e f g h i "Topomap 25000:1 飛生" (in Japanese). Geographical Survey Institute. Retrieved 2008-06-11.
  2. ^ a b "Nature in Shiraoi". Official Website of Shiraoi. Archived from the original on 2011-09-27. Retrieved 2008-06-11.
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