Original: From these the headwaters of several major European rivers such as the Rhine , Rhône , Inn , Aare , and Ticino flow finally into the largest Swiss lakes such as Lake Geneva ( Lac Léman ) , Lake Zürich , Lake Neuchâtel , and Lake Constance .
Simplified: The biggest lakes are : Lake Geneva ( Lac Léman ) , Lake Zürich , Lake Neuchâtel and Lake Constance ( Bodensee ) .