The Niesenbahn is a funicular railway above Lake Thun in the canton of Bern, Switzerland. It links a lower terminus, in the village of Mülenen at 693 m (2,274 ft) and adjacent to Mülenen station on the Lötschberg railway line, with an upper terminus at 2,336 m (7,664 ft) near the summit of Niesen, a viewpoint above the lake and Bernese Oberland. The funicular is divided into two portions with a total length of 3.5 kilometres (2.2 mi), an elevation difference of 1,643 metres (5,390 ft), and a maximum slope of 68%.