Isère includes a part of the French Alps. The highest point in the department is the Sub-Peak Pic Lory at 4,088 metres, subsidiary to the 4102 metres Barre des Écrins in the adjoining Hautes-Alpes department. The summit of La Meije at 3,988 metres is also well known. The Vercors Plateau aesthetically dominates the western area of the department.