Guanmenshan
| Dam Name | Guanmenshan |
| River | Xiaotang He |
| Near City | Benxi |
| Administration City | Liaoning |
| Country | China |
| Year | 1988 |
| Dam Height | 59 |
| Dam Length | 184 |
| Area(Sqkm) | 2.2 |
| Area(Polygonal) | 2.2 |
| Capital Expenditure | 81 |
| Depth(M) | 36.8 |
| Avg Displacement Of Water | 1311 |
| Catchment Area In Sqkm | 165 |
| Status | 2: Good |
| Longitude | 124.144583 |
| Latitude | 41.125417 |
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