Trübsee

Trübsee is an intermediate cable car station by the Titlis Bergbahnen, Trüebsee is an Alpine lake on the Ober Trüebsee Alpine pasture in the upper part of the extensive municipality of Wolfenschiessen in the Swiss canton of Nidwalden. The lake lies at the foot of the Titlis above the village resort of Engelberg. It can be reached from the village by cable car, or via several alpine walking paths, e.g. the Pfaffenwand.

The lake is a hydroelectric reservoir, providing water to the underground power station Trübsee near Engelberg, before flowing into the lake Eugenisee.

Source: Wikipedia