Lake Kuttara
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| Lake Kuttara 倶多楽湖 |
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| View from the crater rim (November 2008). | |
| Coordinates | 42°30′N 141°10′E / 42.5°N 141.167°ECoordinates: 42°30′N 141°10′E / 42.5°N 141.167°E [1] |
| Lake type | oligotrophic crater lake |
| Primary inflows | none [1] |
| Primary outflows | evaporation [1] |
| Basin countries | Japan |
| Surface area | 4.68 km2 (1.81 sq mi)[2] |
| Max. depth | 148 m (486 ft)[1] |
| Shore length1 | 8 km (5.0 mi)[3] |
| 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.[3] With a transparency of 19 metres (62 ft), the lake ranks second only to Lake Mashū according to the Ministry of the Environment.[2]
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.[2]
[edit] References
- ^ a b c d e f g h i "Topomap 25000:1 飛生" (in Japanese). Geographical Survey Institute. http://watchizu.gsi.go.jp/watchizu.aspx?b=423003&l=1411055. Retrieved 2008-06-11.
- ^ a b c "Lake Kuttara" (in Japanese). Japanese Wikipedia. http://ja.wikipedia.org/wiki/%E5%80%B6%E5%A4%9A%E6%A5%BD%E6%B9%96. Retrieved 2008-06-11.
- ^ a b "Nature in Shiraoi" (in English). Official Website of Shiraoi. http://www.town.shiraoi.hokkaido.jp/english/attracion/nature.in.shiraoi.htm. Retrieved 2008-06-11.
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