Saint-Jean-de-Vaulx

Laffrey (French pronunciation: [lafʁɛ]) is a commune in the Isère department in southeastern France. It stands at the top of the Rampe de Laffrey, which is known for a large number of deadly automobile accidents.

The Grand lac de Laffrey (Great Laffrey lake) is the largest of the Laffrey lakes, located in Matheysine 23 km south of Grenoble, in the Isère département of France.

Saint-Théoffrey (French pronunciation: [sɛ̃ teɔfʁɛ]) is a commune in the Isère department in southeastern France.

The rampe de Laffrey (sometimes called the descente de Laffrey or the côte de Laffrey) is a section of France's Route nationale 85, itself part of the route Napoléon. It connects the communes of Laffrey and Vizille in the department of Isère, about 15 kilometers southeast of Grenoble. This steep and mostly relatively straight section of road ends in a sharp turn, and it is known for the high number of fatal accidents that have occurred in this final curve. Four of them, in 1946, 1973, 1975, and 2007, involved buses of pilgrims returning from Notre Dame de la Salette, and are among the deadliest in French history.

Notre-Dame-de-Vaulx (French pronunciation: [nɔtʁ dam də vo]) is a commune in the Isère department in southeastern France.

Lac de Pétichet is a lake at Saint-Théoffrey in the Isère department of France, 400 m south of the Grand lac de Laffrey.

Saint-Georges-de-Commiers (French pronunciation: [sɛ̃ ʒɔʁʒ də kɔmje]) is a commune in the Isère department in southeastern France. It is situated 20 km south of Grenoble.

Cholonge (French pronunciation: [ʃɔlɔ̃ʒ]) is a commune in the Isère department in southeastern France.

Saint-Pierre-de-Mésage (French pronunciation: [sɛ̃ pjɛʁ də mezaʒ]; Arpitan: Sant-Pierro-de-Mèsâjo) is a commune in the Isère department in southeastern France.Saint-Pierre-de-Mésage is located next to the mountain of Connex and between the Vercors and Taillefer. Near Vizille and Grenoble. In 1946 an accident along the Rampe de Laffrey killed 18 near here.

Lac de Pierre-Châtel is a lake between Pierre-Châtel and Saint-Théoffrey in the Isère department of France. Its surface area is 1.4 km². In the North are the Lac de Pétichet and the Grand lac de Laffrey.

The Pierre Percée (French pronunciation: [pjɛʁ pɛʁse]) is a natural arch located on a hill of Matheysine, in the Isère département, upon the commune of Pierre-Châtel. It belongs to the Seven Wonders of Dauphiné. Internal gap is 3m. high. Overall aspect evokes the one of a crouching monster and has been the origin of many local legends, where the Devil is usually involved.

Matheysine is a French Natural region located in the Alps at the south of the Isère département. Its relief is a plateau surrounded by mountains. Matheysine is also called Plateau Matheysin.