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Þingvallavatn (Icelandic pronunciation: ​[ˈθiŋkˌvatlaˌvahtn̥]), anglicised as Thingvallavatn, is a rift valley lake in southwestern Iceland. With a surface of 84 km² it is the second-largest lake in Iceland. Its greatest depth is 114 m. At the northern shore of the lake, at Þingvellir (after which the lake is named), the Alþingi, the national parliament, was founded in the year 930, and held its sessions there until 1799 and still as of today the name Alþingi Íslendinga is carried by the parliament of Iceland.

Þingvallavatn
Fissures at the lake
Þingvallavatn
Location	Þingvellir National Park
Coordinates	64°11′15″N 21°08′06″W
Primary outflows	Sog
Basin countries	Iceland
Surface area	84 km2 (32 sq mi)[1]
Average depth	34 m (112 ft)[1]
Max. depth	114 m (374 ft)[1]
Water volume	2.856 km3 (0.685 cu mi)[1]
Residence time	11 months[2]
Islands	Sandey

The lake lies partially within Þingvellir National Park. The volcanic origin of the islands in the lake is clearly visible. The cracks and faults around it, of which the Almannagjá [ˈalˌmanːaˌcauː] ravine is the largest, is where the Eurasian and North American tectonic plates meet. Silfra fissure is a popular scuba and snorkeling site. The only outflow from lake Þingvallavatn is the river Sog.

One of the noted features of the lake is the presence of four morphs of the Arctic charr.[3]

See also

• List of lakes of Iceland
• Volcanism of Iceland
• Geography of Iceland

Notes and references

References

External links

• Official website

На других языках

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[de] Þingvallavatn

Der Þingvallavatn [.mw-parser-output .IPA a{text-decoration:none}'θiŋkˌvatlaˌvahtn̥] ist ein See im Südwesten Islands im Nationalpark Þingvellir. Er befindet sich auf dem Gemeindegebiet von Grímsnes og Grafningur und Bláskógabyggð.

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- [en] Þingvallavatn

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[fr] Þingvallavatn

Le Þingvallavatn ou Thingvallavatn, toponyme islandais signifiant littéralement en français « le lac des plaines du Parlement », est un lac situé dans le sud-ouest de l'Islande.

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[it] Þingvallavatn

Þingvallavatn ( pronuncia:ˈθiŋkˌvatlaˌvaʰtn̥) è un lago nel sud-ovest dell'Islanda. Con una superficie di 84 km² è il più grande lago di origine naturale dell'isola. La sua profondità massima è di 114 metri.[1][2] Sulla riva settentrionale del lago, nella spianata di Þingvellir, si riuniva l'Alþing, l'antico Parlamento nazionale islandese, fondato nel 930.

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[ru] Тингвадлаватн

Ти́нгвадлаватн (исл. Þingvallavatn) — озеро на юго-западе Исландии, крупнейшее естественное озеро на острове, площадь зеркала 84 км². Наибольшая глубина — 114 м. На северном берегу озера был основан Исландский парламент Альтинг в 930 году.

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