| Grès d'Alet | |
| Type: | Geological formation |
| Age: | Campanian |
| Period: | Campanian |
| Prilithology: | Sandstone |
| Region: | Midi Pyrénees |
| Coordinates: | 43.1°N 1.4°W |
| Paleocoordinates: | 34.8°N 1.5°W |
| Underlies: | Marnes Rouges Inferieures Formation |
| Overlies: | Marnes rouges de Campagne |
| Thickness: | Less than 10 m |
The Grès d'Alet is a Campanian geologic formation in southern France. Fossil dinosaur eggs have been reported from the formation.[1]