# List of dams and reservoirs in Switzerland

List of lakes with a dam in Switzerland with a volume of more than 10 million cubic metres (m³):
Dammed lakes with their location, volume, area and depth, as well as information on the relevant dam(s) :
| Name of lake | Canton | Volume in million m³ | Surface elevation (m) | Surface area in km$^2$ | Maximal depth (m) | Name of dam | Type of dam | Year of construction | Height of dam (m) |
| Lac des Dix | Valais | 401 | 2365 | 3.65 | 227 | Grande Dixence | Gravity | 1961 | 285 |
| Lac des Dix | Valais | 401 | 2365 | 3.65 | 227 | Dixence | Gravity | 1935 | 87 |
| Lac d'Emosson | Valais | 227 | 1930 | 3.27 | 161 | Emosson | Arch | 1974 | 180 |
| Lac d'Emosson | Valais | 227 | 1930 | 3.27 | 161 | Barberine | Gravity | 1925 | 79 |
| Lac de la Gruyère | Fribourg | 220 | 677 | 9.60 | 75 | Rossens | Arch | 1947 | 83 |
| Lac de Mauvoisin | Valais | 211 | 1961 | 2.08 | 180 | Mauvoisin | Arch | 1957 | 250 |
| Lago di Lei | Italy, Grisons | 197 | 1931 | 4.12 | 133 | Valle di Lei Dam | Arch | 1961 | 141 |
| Lago di Livigno | Italy, Grisons | 165 | 1805 | 4.71 | 119 | Punt dal Gall | Arch | 1968 | 130 |
| Wägitalersee | Schwyz | 150 | 900 | 4.18 | 65 | Schräh | Gravity | 1924 | 111 |
| Lago di Luzzone | Ticino | 108 | 1592 | 1.27 | 181 | Luzzone | Arch | 1963 | 225 |
| Lago di Vogorno | Ticino | 105 | 470 | 1.68 | 204 | Verzasca | Arch | 1965 | 220 |
| Grimselsee | Bern | 103 | 1908 | 2.63 | 100 | Spitallamm | Arch | 1932 | 114 |
| Mattmarksee | Valais | 101 | 2197 | 1.76 | 93 | Mattmark | Embankment | 1967 | 120 |
| Zervreilasee | Grisons | 101 | 1862 | 1.61 | 140 | Zervreila | Arch | 1957 | 151 |
| Sihlsee | Schwyz | 97 | 889 | 10.72 | 23 | Hühnermatt | Embankment | 1937 | 17 |
| Sihlsee | Schwyz | 97 | 889 | 10.72 | 23 | In den Schlagen | Gravity | 1936 | 33 |
| Limmerensee | Glarus | 93 | 1857 | 1.36 | 122 | Limmern | Arch | 1963 | 146 |
| Lac de Moiry | Valais | 78 | 2249 | 1.40 | 120 | Moiry | Arch | 1958 | 148 |
| Göscheneralpsee | Uri | 76 | 1792 | 1.32 | 106 | Göscheneralp | Embankment | 1960 | 155 |
| Albignasee | Grisons | 71 | 2163 | 1.13 | 108 | Albigna | Gravity | 1959 | 115 |
| Lai da Sontga Maria | Grisons | 67 | 1908 | 1.77 | 86 | Santa Maria | Arch | 1968 | 117 |
| Schiffenensee | Fribourg | 66 | 532 | 4.25 | 38 | Schiffenen | Arch | 1963 | 47 |
| Lago del Sambuco | Ticino | 63 | 1461 | 1.11 | 124 | Sambuco | Arch | 1956 | 130 |
| Oberaarsee | Bern | 61 | 2303 | 1.47 | 90 | Oberaar | Gravity | 1953 | 100 |
| Lai da Marmorera | Grisons | 60 | 1680 | 1.41 | 65 | Marmorera (Castiletto) | Embankment | 1954 | 91 |
| Klöntalersee | Glarus | 56 | 847 | 3.29 | 47 | Rhodannenberg | Embankment | 1910 | 30 |
| Lago Ritom | Ticino | 54 | 1850 | 1.49 | 69 | Piora | Gravity | 1920 | 27 |
| Lac de l'Hongrin | Vaud | 53 | 1255 | 1.60 | 105 | Hongrin Nord | Arch | 1969 | 125 |
| Lac de l'Hongrin | Vaud | 53 | 1255 | 1.60 | 105 | Hongrin Sud | Arch | 1969 | 90 |
| Lac de Tseuzier | Valais | 51 | 1777 | 0.85 | 140 | Proz-Riond | Embankment | 1957 | 20 |
| Lac de Tseuzier | Valais | 51 | 1777 | 0.85 | 140 | Zeuzier | Arch | 1957 | 156 |
| Lai da Nalps | Grisons | 45 | 1908 | 0.91 | 122 | Nalps | Arch | 1962 | 127 |
| Lai da Curnera | Grisons | 41 | 1956 | 0.81 | 136 | Curnera | Arch | 1966 | 153 |
| Lac de Salanfe | Valais | 40 | 1925 | 1.62 | 48 | Salanfe | Gravity | 1952 | 52 |
| Gigerwaldsee | St.-Gallen | 36 | 1335 | 0.71 | 135 | Gigerwald | Arch | 1976 | 147 |
| Lago del Narèt | Ticino | 32 | 2310 | 0.73 | 104 | Naret I | Arch | 1970 | 80 |
| Lago del Narèt | Ticino | 32 | 2310 | 0.73 | 104 | Naret II | Gravity | 1970 | 45 |
| Lago dei Cavagnöö | Ticino | 29 | 2310 | 0.46 | 100 | Cavagnoli | Arch | 1968 | 111 |
| Räterichsbodensee | Bern | 27 | 1767 | 0.67 | 77 | Räterichsboden | Gravity | 1950 | 94 |
| Lago di Lucendro | Ticino | 25 | 2134 | 0.54 | 96 | Lucendro | Buttress | 1947 | 73 |
| Wohlensee | Bern | 25 | 480 | 3.65 | 20 | Mühleberg | Gravity | 1920 | 29 |
| Lac de Moron | Neuchâtel, France | 21 | 716 | 0.69 | 59 | Châtelot | Arch | 1953 | 74 |
| Lac des Toules | Valais | 20 | 1810 | 0.61 | 75 | Les Toules | Arch | 1963 | 86 |
| Lac de Cleuson | Valais | 20 | 2186 | 0.51 | 76 | Cleuson | Gravity | 1950 | 87 |
| Griessee | Valais | 19 | 2386 | 0.50 | 66 | Gries | Gravity | 1965 | 60 |
| Lago Bianco | Grisons | 19 | 2234 | 1.50 | 53 | Lago Biango Nord | Gravity | 1912 | 15 |
| Lago Bianco | Grisons | 19 | 2234 | 1.50 | 53 | Lago Biango Süd | Gravity | 1912 | 26 |
| Sufnersee | Grisons | 18 | 1401 | 0.90 | 51 | Sufers | Arch | 1962 | 58 |
| Gelmersee | Bern | 14 | 1850 | 0.64 | 48 | Gelmer | Gravity | 1929 | 35 |
| Lac du Vieux Emosson | Valais | 14 | 2205 | 0.55 | 42 | Vieux-Emosson | Arch | 1955 | 45 |
| Lac de Montsalvens | Fribourg | 13 | 801 | 0.74 | 50 | Montsalvens | Arch | 1920 | 55 |
| Arnensee | Bern | 11 | 1543 | 0.45 | 50 | Arnensee | Embankment | 1942 | 17 |
Values in bold are the extreme values (e.g., highest and lowest) of the particular column.