Lake Kuttara

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Lake Kuttara
Lake kuttara alexpetropoulos.jpg
The view from the crater rim (August 2017).
Coordinates42°30′N 141°10′E / 42.500°N 141.167°E / 42.500; 141.167Coordinates: 42°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]
1 Shore length is not a well-defined measure.

Lake Kuttara (倶多楽湖, Kuttara-ko) is a caldera lake in Shiraoi, Hokkaidō, Japan.[1] It is part of Shikotsu-Tōya National Park. The lake is said to have the best water quality in all of Japan.[2] The Ministry of the Environment says that it has a transparency of 19 metres (62 ft), so it is the second clearest lake (Lake Mashū is the clearest).

Relief Map

A salamander species, Ezo salamander (エゾサンショウウオ, Ezo Sanshōuo), lives at the lake. Since 1909, Sockeye salmon have been sent to the lake.

References[change | change source]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "Topomap 25000:1 飛生" (in Japanese). Geographical Survey Institute. Retrieved 2008-06-11.
  2. 2.0 2.1 "Nature in Shiraoi". Official Website of Shiraoi. Archived from the original on 2011-09-27. Retrieved 2008-06-11.

Other websites[change | change source]