💧 Trummelbach Waterfalls
Europe's largest subterranean waterfall system in the Lauterbrunnen Valley, Switzerland
📌 Fast Facts
- Number of waterfalls: Ten glacier-fed subterranean cascades
- Peak water flow: 20,000 liters per second
- Season: April to November
- UNESCO inscription: 2001
Trummelbach Waterfalls is a series of ten subterranean waterfalls within a mountain in the Lauterbrunnen Valley, Switzerland, that ...