Valmayor
| Dam Name | Valmayor |
| River | Aulencia |
| Near City | Valdemorillo |
| Administration City | Madrid |
| Country | Spain |
| Year | 1975 |
| Dam Height | 60 |
| Dam Length | 1215 |
| Area(Sqkm) | 6.3 |
| Area(Polygonal) | 6.3 |
| Capital Expenditure | 124 |
| Depth(M) | 19.7 |
| Avg Displacement Of Water | 335 |
| Catchment Area In Sqkm | 113 |
| Main Usage | Water supply |
| Status | 3: Fair |
| Longitude | -4.049583 |
| Latitude | 40.537083 |
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