The Trummelbach Falls in Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 are a series of ten glacier-waterfalls inside the mountain made accessible by tunnel-lift and illuminated.

The Trummelbach alone drains the mighty glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

 defile

Defile (geography)

Defile is a geographic term for a narrow pass or gorge between mountains or hills. It has its origins as a military description of a pass through which troops can march only in a narrow column or with a narrow front...

s of Eiger

Eiger

The Eiger is a mountain in the Bernese Alps in Switzerland. It is the easternmost peak of a ridge crest that extends across the Mönch to the Jungfrau at 4,158 m...

 (3970 m), Mönch

Mönch

The Mönch is a mountain in the Bernese Alps, in Switzerland. Together with the Eiger and the Jungfrau it forms a highly recognisable group of mountains visible from far away....

 (4099 m) and Jungfrau

Jungfrau

The Jungfrau is one of the main summits in the Bernese Alps, situated between the cantons of Valais and Bern in Switzerland...

(4158 m) and carries 20,200 tons of boulder detritus per year.

Its drainage area is 24 km², half of it covered by snow and glaciers. The falls carry up to 20,000 liters of water per second.

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