| Number | 2115 |
| Lake code | PY0015 |
| District code | PY |
| Lake number | 15 |
| Prefix | Lac |
| Official name | Castérau |
| Suffix | |
| Latitude | 42.836510 |
| Longitude | -0.483910 |
| Altitude (m) | 1943.000000 |
| Survey code | |
| Survey check | 0 |
| A_prefix | |
| Alternative name | |
| A_suffix | |
| River basin | Adour |
| Region / Province | Pyrénées-Atlantiques |
| Country | France |
| Map_link |