The Trümmelbach Falls in Bernese Oberland, Switzerland, are a series of ten glacier-fed waterfalls inside the mountain made accessible by the tunnel lift, stairs, and illumination. Located in the Lauterbrunnen Valley, the creek called Trimmelbach or Trümmelbach alone drains the northerly glacier defiles of Eiger, Mönch, and Jungfrau and carries more than 2…The Trümmelbach Falls in Bernese Oberland, Switzerland, are a series of ten glacier-fed waterfalls inside the mountain made accessible by the tunnel lift, stairs, and illumination. Located in the Lauterbrunnen Valley, the creek called Trimmelbach or Trümmelbach alone drains the northerly glacier defiles of Eiger, Mönch, and Jungfrau and carries more than 20,200 tons of boulder detritus per year.