Lake Sarnen

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Lake Sarnen
Coordinates46°51′45″N 8°12′31″E / 46.86250°N 8.20861°E / 46.86250; 8.20861Coordinates: 46°51′45″N 8°12′31″E / 46.86250°N 8.20861°E / 46.86250; 8.20861
Primary inflowsAa, Grosse Melchaa, Dreiwässerkanal
Primary outflowsSarner Aa
Basin countriesSwitzerland
Max. length5.7 km (3.5 mi)[1]
Max. width1.6 km (0.99 mi)[1]
Surface area7.5 km2 (2.9 sq mi)
Average depth31 m (102 ft)
Max. depth51 m (167 ft)
Water volume239 million cubic metres (194,000 acre⋅ft)
Residence time0.8 years
Surface elevation469 m (1,539 ft)
SettlementsSarnen, Sachseln

Lake Sarnen (German: Sarnersee) is a lake in the Swiss canton of Obwalden. The lake is on the Sarner Aa, which flows out of the Lake Lungern, through the Lake Sarnen, and into Lake Lucerne. The municipalities of Sarnen and Sachseln are located on the shores of the lake, and the Brünig railway line follows the eastern shore.[1]

The lake's area is about 7.5 km2 (2.9 sq mi) and its maximum depth is 51 m.[citation needed] It is about 5.7 km (3.5 mi) long and, at its widest, 1.6 km (0.99 mi) wide.[1]

The lake is the subject of a watercolour painting by JMW Turner, entitled The Sarner See, Evening, and dating from c.1842.[2]


  1. ^ a b c d (Map). Swiss Confederation. Retrieved 2013-01-05.
  2. ^ "The Sarner See, Evening, Joseph Mallord William Turner". Tate, London. Retrieved 2013-01-06.

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