Grande Tête de l'Obiou
The mountain seen from Route Napoléon (RN85)
Highest point
Elevation	2,790 m (9,150 ft)[1]
Prominence	1,542 m (5,059 ft)[1][2]
Isolation	21.99 km (13.66 mi)
Listing	Ultra
Coordinates	44°46′31″N 05°50′22″E / 44.77528°N 5.83944°E / 44.77528; 5.83944
Geography
Grande Tête de l'Obiou Location in the Alps
Location	Rhône-Alpes, France
Parent range	Dévoluy Mountains, Dauphiné Prealps
Climbing
Easiest route	southern slopes

The Grande Tête de l'Obiou (French pronunciation: [ɡʁɑ̃d tɛt də lɔbju]; 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).

• List of French mountains by prominence

• French official cartography (Institut géographique national - IGN); on-line version: www.geoportail.fr

• Claude Péquignot, Sa Majesté l'Obiou, 2004
• Louis-Edmond Hamelin, L'Obiou entre Dieu et diable, 1990, extraits
• Fabienne Gilbertas, 60 ans, après l'accident de l'Obiou. Recueil de témoignages des sauveteurs, le 60ème anniversaire de la catastrophe, 2010