Lake Kuttara

infobox_lake
lake_name = Lake Kuttara
倶多楽湖
image_lake =
caption_lake =
image_bathymetry =
caption_bathymetry =
coords = coord|42|30|N|141|10|E|region:JP_type:waterbody|display=inline,title
type = oligotrophic crater lake
inflow = "none"
outflow = "evaporation"
catchment =
basin_countries = Japan
length =
width =
area = convert|4.68|km2|mi2|abbr=on|lk=on
depth =
max-depth = convert|148|m|ft|abbr=on|lk=on
volume =
shore = convert|8|km|mi|abbr=on|lk=on
elevation = convert|258|m|ft|abbr=on|lk=on
islands = "none"
cities = Shiraoi
reference = cite web|url=http://watchizu.gsi.go.jp/watchizu.aspx?b=423003&l=1411055|title=Topomap 25000:1 飛生|publisher=Geographical Survey Institute|language=Japanese|accessdate=2008-06-11] nihongo|Lake Kuttara|倶多楽湖|Kuttara-ko is a near circular caldera lake in Shiraoi, Hokkaidō, Japan. It is part of Shikotsu-Tōya National Park. The lake is recognized as having the best water quality in all of Japan.cite web|url=http://www.town.shiraoi.hokkaido.jp/english/attracion/nature.in.shiraoi.htm|title=Nature in Shiraoi|publisher=Official Website of Shiraoi|language=English|accessdate=2008-06-11] With a transparency of convert|19|m|ft, the lake ranks second only to Lake Mashū according to the Ministry of the Environment.cite web|url=http://ja.wikipedia.org/wiki/%E5%80%B6%E5%A4%9A%E6%A5%BD%E6%B9%96|title=Lake Kuttara|publisher=Japanese Wikipedia|language=Japanese|accessdate=2008-06-11]

Resident species of the lake include a salamander species, nihongo|Hynobius retardatus|エゾサンショウウオ|Ezo Sanshōuo. Since 1909 Sockeye salmon have been introduced to the lake.cite web|url=http://ja.wikipedia.org/wiki/%E5%80%B6%E5%A4%9A%E6%A5%BD%E6%B9%96|title=Lake Kuttara|publisher=Japanese Wikipedia|language=Japanese|accessdate=2008-06-11]

References