The Trümmelbach Falls are a series of ten glacial waterfalls hidden inside a mountain in the Lauterbrunnen Valley. Fed by the melting ice of the Eiger, Mönch, and Jungfrau, these powerful falls carry up to 20,000 liters of water per second through narrow rock chasms. A lift, tunnels, and stairways carved into the rock allow visitors to experience the raw force of nature from within the mountain itself. It’s loud, dramatic, and unforgettable. The Trümmelbach Falls are the only accessible underground glacier waterfalls in Europe and a must-see when visiting the Lauterbrunnen region.
Tucked into the vertical cliffs of the Lauterbrunnen Valley, the Trümmelbachfälle are a spectacular display of raw glacial power. Unlike any other waterfall in Switzerland, the Trümmelbach system is located entirely within the mountain, hidden from view until you enter its chasms. Fed by the glaciers of the Eiger, Mönch, and Jungfrau, the falls channel up to 20,000 liters of meltwater per second—eroding, carving, and roaring through the rock as they descend over ten dramatic levels.
What makes this site truly unique is the infrastructure that allows you to safely explore it from the inside. A tunnel lift brings you partway up into the mountain, where a network of galleries, staircases, and viewing platforms lets you witness the sheer force and sound of the rushing water. It’s a full sensory experience—echoing thunder, mist in the air, and the visible shaping of rock by nature’s hand.
The falls are only accessible from April to November due to ice and safety conditions, but during those months, they offer one of the most thrilling and memorable natural attractions in the Alps. Interpretive panels along the path provide insights into the geological forces at work and the long history of the area.
Though located close to the famously peaceful Staubbachfall, the Trümmelbach Falls are an entirely different experience—intimate, enclosed, and almost otherworldly. It’s an essential stop for those exploring Lauterbrunnen, and an especially rewarding visit for geology lovers, families, or anyone who wants to feel the raw force of alpine nature up close.
A visit here takes about an hour and is easily combined with other attractions in the Lauterbrunnen Valley. The falls are a powerful reminder of how water shapes the landscape—and how much is happening beneath the surface.
Please note This tour represents one of many possible routes. Each trip is individually planned based on guest preferences, current weather, and the best conditions of the season. Exampletour “From Ice to Waterfalls – A Journey Through Switzerland’s Wild Side” This exceptional day tour takes you far off the tourist
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