Togavatnet

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Togavatnet is a lake in Ulvik municipality, Vestland county, Norway. It sits on the south side of the Bergen Line as it crosses the Hardangervidda plateau, at 1,296 metres above sea level. The lake is about 1.5 km long and 1.0 km wide, with a surface area of 1.57 square kilometres. Water from Togavatnet drains to Fagervatnet (at the same elevation) and then into the Ustekveikja river, which flows into Ustevatn in Hol municipality, Buskerud county to the east. The Rallarvegen road runs along the northern shore.

The official name of the lake is Togavatnet, though Tangavatnet is also approved. Unofficial names such as Tågavatni, Taugevatn and Tangavatn were rejected. The Bergen Line used to have its summit at Togavatnet (1,301.7 metres) until the Finse Tunnel opened in 1993; after that, the line’s highest point is 1,237 metres inside the tunnel at kilometre 306.90.