| Cornalvo Dam | |
|---|---|
 Roman Cornalvo dam in Spain | |
| Location | Mérida, Extremadura, Spain |
| Coordinates | 38°59′18″N 6°11′28″W / 38.98833°N 6.19111°W |
| Opening date | 1st–2nd century |
| Dam and spillways | |
| Impounds | Albarregas (Guadiana basin) |
| Height | 28.0 |
| Length | 194.0 |
| Width (base) | 26.0 |
| Official name | Cornalvo Dam |
| Type | Cultural |
| Criteria | iii, iv |
| Designated | 1993 (17th session) |
| Part of | Archaeological Ensemble of Mérida |
| Reference no. | 664-013 |
| Region | Europe and North America |
| Official name | Pantano romano de Cornalvo |
| Type | Non-movable |
| Criteria | Monument |
| Designated | 13 December 1912 |
| Reference no. | RI-51-0000115 |
The Cornalvo Dam is a Roman gravity dam in Mérida, Badajoz province, Extremadura, Spain, dating to the 1st or 2nd century AD. The earth dam Roman concrete and stone cladding on the water face is still in use.[1]
It is part of the Archaeological Ensemble of Mérida, an UNESCO World Heritage Site since 1993.[2]
