| Avernes | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Avernes (Val-d'Oise).svg |
| Coordinates: | 49.0864°N 1.8742°W |
| Arrondissement: | Pontoise |
| Canton: | Vauréal |
| Intercommunality: | CC Vexin Centre |
| Mayor: | Chrystelle Noblia[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 82 |
| Elevation Max M: | 201 |
| Area Km2: | 17.15 |
| Insee: | 95040 |
| Postal Code: | 95450 |
Avernes (in French pronounced as /avɛʁn/) is a commune in the Val-d'Oise department in Île-de-France in northern France. On 1 January 2018, the former commune of Gadancourt was merged into Avernes.[2]