Lake Kuttara
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 to Lake Mashū according to the Ministry of the Environment.
Relief Map
| Lake Kuttara | |
|---|---|
 View from the crater rim (August 2017). | |
  Lake Kuttara | |
| Coordinates | 42°30′N 141°10′E [1] |
| Type | oligotrophic crater lake |
| Native name | 倶多楽湖 |
| 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. | |
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.
References
- "Topomap 25000:1 飛生" (in Japanese). Geographical Survey Institute. Retrieved 2008-06-11.
- "Nature in Shiraoi". Official Website of Shiraoi. Archived from the original on 2011-09-27. Retrieved 2008-06-11.
External links
Media related to Lake Kuttara at Wikimedia Commons- Kuttara - Japan Meteorological Agency (in Japanese)
- "Kuttara: National catalogue of the active volcanoes in Japan" (PDF). - Japan Meteorological Agency
- Kuttara-Noboribetsu Volcano Group - Geological Survey of Japan
- Kuttara: Global Volcanism Program - Smithsonian Institution
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