Switzerland hosts many lakes, from the large Lake Geneva to hundreds of tiny
little lakes in the mountains. There are also many dammed-up lakes, mainly to
drive water turbines of power plants
The largest lakes:
| Name | Canton(s) | Size | Average elevation of the surface | Max. depth |
| Lac Léman (Lake Geneva) | Geneva, Vaud, Valais & France | 584 km² | 372 m | 310 m |
| Bodensee | St. Gallen, Thurgau, Austria & Germany | 539 km² | 396 m | 252 m |
| Neuenburgersee | Bern, Fribourg, Neuenburg & Vaud | 218 km² | 429 m | 153 m |
| Lago Maggiore | Ticino & Italy | 212 km² | 193 m | 372 m |
| Vierwaldstätter See | Luzern, Niedwalden, Obwalden, Schwyz & Uri | 114 km² | 434 m | 214 m |
| Zürichsee | St. Gallen, Zug & Zürich | 88 km² | 406 m | 143 m |
| Luganersee | Ticino & Italy | 49 km² | 270 m | 288 m |
| Thunersee | Bern | 48 km² | 558 m | 215 m |
| Bielersee | Bern, Neuenburg | 40 km² | 429 m | 74 m |
| Zugersee | Luzern, Schwyz & Zug | 38 km² | 414 m | 97 m |
| Brienzersee | Bern | 30 km² | 564 m | 260 m |
| Walensee | Glarus & St. Gallen | 24 km² | 419 m | 144 m |
| Murtensee | Fribourg & Vaud | 23 km² | 429 m | 45 m |