Youssf Ben Tachfine
| Dam Name | Youssf Ben Tachfine |
| River | Massa |
| Main Basin | North West Coast |
| Sub Basin | Souss-Massa |
| Near City | Biougra |
| Administration City | Sud |
| Country | Morocco |
| Year | 1972 |
| Dam Height | 85 |
| Dam Length | -99 |
| Area(Sqkm) | 6.2 |
| Area(Polygonal) | 6.2 |
| Capital Expenditure | 320 |
| Depth(M) | 51.6 |
| Avg Displacement Of Water | 773 |
| Catchment Area In Sqkm | 3878 |
| Main Usage | Irrigation |
| Status | 3: Fair |
| Longitude | -9.492917 |
| Latitude | 29.845417 |
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