Trübsee () is an intermediate cable car station by the Titlis Bergbahnen, Trüebsee (lit.: dull lake, Germanized: Trübsee) is an Alpine lake () on the Ober Trüebsee Alpine pasture (or often just incorrectly shortened to Trüebsee) 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.