title: Lac de Coiselet
text: # Lac de Coiselet
  
  Lac de Coiselet (French pronunciation: ​) is a reservoir on the border between the Ain and Jura departments in France. Its surface area is 3.8 $km^2.$ The lake formed in 1970 after the Barrage de Coiselet was built at the confluence of the rivers Ain and Bienne.
  
  