The river Simme is a tributary of the river Kander in the Bernese Oberland

Bernese Oberland

The Bernese Oberland is the higher part of the canton of Bern, Switzerland, in the southern end of the canton: The area around Lake Thun and Lake Brienz, and the valleys of the Bernese Alps .The flag of the Bernese Oberland consists of a black eagle in a gold field The Bernese Oberland (Bernese...

 in the canton of Bern 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....

. It's approximately 60 km long and has a catchment area

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 of 594 km².

The river Simme's spring is on the Rezli alp to the west of the mountain Wildstrubel

Wildstrubel

The Wildstrubel is a mountain in the Bernese Alps in Switzerland on the border between the Canton of Berne and the Canton of Valais.The mountain has three summits, all of similar height:...

 near the village of Lenk

Lenk

Lenk may refer to:Places:* Lenk im Simmental, a municipality in the district of Obersimmental in the canton of Bern in SwitzerlandPeople:* Arthur Lenk, an Israeli diplomat* Maria Lenk, a Brazilian swimmer...

. Underneath the Rezli alp it forms the Simmenfälle, several waterfalls, which have, altogether, a drop of 200 m.
Then the river passes Lenk

Lenk

Lenk may refer to:Places:* Lenk im Simmental, a municipality in the district of Obersimmental in the canton of Bern in SwitzerlandPeople:* Arthur Lenk, an Israeli diplomat* Maria Lenk, a Brazilian swimmer...

 and flows towards Zweisimmen

Zweisimmen

Zweisimmen is a municipality in the Obersimmental-Saanen administrative district in the canton of Bern in Switzerland.-Geography:Zweisimmen has an area of . Of this area, 56.2% is used for agricultural purposes, while 32.9% is forested...

, where it flows together with the Kleine Simme (Little Simme), which flows down from the Saanemöser mountains. It is approximately 10 km long.

From Zweisimmen

Zweisimmen

Zweisimmen is a municipality in the Obersimmental-Saanen administrative district in the canton of Bern in Switzerland.-Geography:Zweisimmen has an area of . Of this area, 56.2% is used for agricultural purposes, while 32.9% is forested...

 the Simme flows through the Upper and Lower Simmental

Simmental

Simmental is an alpine valley in the Bernese Oberland of Switzerland. It expands from Lenk to Boltigen, in a more or less South-North direction , and from there to the valley exit at Wimmis near Spiez it takes a West-East orientation . It comprises the municipalities of Lenk, St...

 (Ober- and Niedersimmental). Near the village of Wimmis

Wimmis

Wimmis is a municipality in the Frutigen-Niedersimmental administrative district in the canton of Bern in Switzerland.-Geography:Wimmis has an area of . Of this area, 30.1% is used for agricultural purposes, while 45.8% is forested...

the Simme joins the river Kander.