Tannensee
Tannensee is a reservoir in Obwalden, Switzerland. In 1958, Tannenbach and few other creeks were dammed with an earth-fill dam. The reservoir has a volume of 3.8 mio m³ and its surface area is . The reservoir is used to generate electricity at Kraftwerk Hugschwendi in Kerns. See also
List of lakes of Switzerland
List of mountain lakes of Switzerland

External links
Swiss dams: Tannensee
Kraftwerk Hugschwendi 

Reservoirs in Switzerland
Lakes of Obwalden
RTannensee
Kerns, Switzerland