Loud thundering and roaring in the interior of the mountain, gurgling, foaming and churning water: these are the Trümmelbach Falls. They are Europe's largest subterranean water falls and are located in the Lauterbrunnen Valley, often called the valley of 72 waterfalls.
A huge crevice vertically divides the ridge over St-Imier into two parts – the Combe Grède.
The power of water is impressively displayed in the Aare Gorge near Meiringen. Through the course of millennia the river has eroded a deep bed in the limestone. The entire ravine can be effortlessly hiked on foot, thanks to bridges and tunnels.