La Jarjatte is a hamlet in the French Dauphiné Alps. Situated at around 1100m, close to the source of the river Buëch, it is part of the commune of Lus-la-Croix-Haute in the Drôme department.
Popular with walkers and hikers in the summer, the village has a via ferrata route, a local ski station and over 18 km of cross-country skiing trails. It is bordered on the east by the Dévoluy massif, and the Vercors to the west. Grenoble is the nearest major city, about 75 km away to the north.