Three Lakes Region Part I – Lake Bienne, Switzerland
Including Aare River, Vielle Aar, Vieille Thielle, Canal de la Thielle

 
 
 
 

Lake Bienne, or Lake Biel (French: Lac de Bienne, German: Bielersee) is a lake in western Switzerland. Together with Lake Morat and Lake Neuchâtel, it is one of the three large lakes in the Jura region of Switzerland. It lies approximately at 47°5′N 7°10′E, at the language boundary between German and French speaking areas.
The lake is 15 km long and up to 4.1 km wide. Its surface area is 39.3 km², the maximum depth 74 m. The lake is located at 429 metres above sea level.
Lake Biel has a catchment area of about 8,305 km². Water remains in the lake for an average of 58 days. The rivers Aare and Zihl/Thielle flowing from Lake Neuchâtel, the Twannbach draining water down from the surplombing first Jura mountain range and the Suze draining water down from the Vallon de St. Imier, are the main tributaries. The Aare was redirected into the lake in 1878, in order to prevent the flooding of the nearby area called "Seeland", and drains the water out of the lake down to Büren through a simultaneously man-made channel. The level of all three lakes is being controlled by a dam built across the channel, in Port.
The largest settlement along the shores of Lake Biel are the bilingual city of Biel/Bienne and its sister city Nidau, both located on the northern end. The St. Peter's Island attracts tourists. The island is located near Erlach/Cerlier. Jean-Jacques Rousseau once spent a few months on the island. (source : Wikipedia)

Freshwater Ecoregion of the World : #404 Central & Western Europe

Major Habitat Type: temperate floodplain rivers and wetlands

 

Lake Bienne – Bielersee – Lac de Bienne : 2018

       
       

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Zihl, Zihlkanal – Vieille Thielle, Canal de la Thielle : 2018 - 2019

       
       

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Aare River – Aare – Aar : 2018

       
   

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Alte Aare – Vieille Aar : 2018

       
   

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All Photographs Copyright 2018-2020© Michel Roggo