The BLM commences from Lauterbrunnen, using a terminus that is directly opposite the platforms of the Berner Oberland-Bahn (BOB) to Interlaken, and the Wengernalpbahn (WAB) to Kleine Scheidegg and Grindelwald. The first section of the line is an aerial cableway that rises in a distance of . The cableway follows the line of the funicular that preceded it, and the remains of the funicular are visible at many points.