| Grande Tête de l'Obiou | |
| Elevation M: | 2790 |
| Prominence M: | 1542 |
| Prominence Ref: | [1] [2] |
| Listing: | Ultra |
| Location: | Rhône-Alpes, France |
| Range: | Dévoluy Mountains, Dauphiné Prealps |
| Map: | Alps |
| Coordinates: | 44.7753°N 5.8394°W |
| Easiest Route: | southern slopes |
The Grande Tête de l'Obiou (or simply l'Obiou) is a mountain in the French Prealps belonging to the French department of Isère. It is the highest peak of the Dévoluy Mountains and of the Dauphiné Prealps and the seventh most prominent summit of metropolitan France.
Administratively the mountain is divided between the French communes of Cordéac (NE slopes) and Monestier-d'Ambel (SW slopes).[3]
The easiest route for the summit starts from Baumes hut and ascends the southern slopes of the mountain through the Faïsses pass and the Obiou pass (l'Épaule).