Mattmark
| Dam Name | Mattmark |
| River | Saaser Vispa |
| Near City | Saas Almagell |
| Administration City | Valais |
| Country | Switzerland |
| Year | 1967 |
| Dam Height | 120 |
| Dam Length | 780 |
| Area(Sqkm) | 0.8 |
| Area(Polygonal) | 0.8 |
| Capital Expenditure | 101 |
| Depth(M) | 126.3 |
| Avg Displacement Of Water | 1390 |
| Catchment Area In Sqkm | 34 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | 7.96125 |
| Latitude | 46.047917 |
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