Lake Kuttara

Lake Kuttara
倶多楽湖

View from the crater rim (November 2008).
Coordinates 42°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]
Type oligotrophic crater lake
Primary inflows none [1]
Primary outflows evaporation [1]
Basin countries Japan
Surface area 4.68 km2 (1.81 sq mi)
Max. depth 148 m (486 ft)[1]
Shore length1 8 km (5.0 mi)[2]
Surface elevation 258 m (846 ft) [1]
Islands none [1]
Settlements Shiraoi [1]
References [1]
1 Shore length is not a well-defined measure.

Lake Kuttara (倶多楽湖 Kuttara-ko) is a near 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 only to Lake Mashū according to the Ministry of the Environment.

Relief Map

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

References

  1. 1 2 3 4 5 6 7 8 9 "Topomap 25000:1 飛生" (in Japanese). Geographical Survey Institute. Retrieved 2008-06-11.
  2. 1 2 "Nature in Shiraoi". Official Website of Shiraoi. Retrieved 2008-06-11.

External links

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