Francheville. Francheville is a French commune in the metropolis of Lyon in the Auvergne-Rhône-Alpes region.
   Francheville is a commune of 817 hectares, its highest point is the Fort du Bruissin at 308 meters; its lowest point is in the Châter district at 215 meters. The particular relief as well as the history explain that the commune is divided into three districts, geographically very distinct.
   The Châter district, at the entrance to the Francheville le Bas district, owes its name to the castle of which there are ruins that overlook the Yzeron valley. A rocky outcrop supports these feudal ruins as well as a bridge that spans the Yzeron Valley about 45 meters below.
   Houses with terraced gardens go down to the stream. Landslides and landslides having occurred on several occasions, the steep base of the Rock which runs along the D75 road has been the subject of consolidation work.
   It is a bottleneck for current car traffic. It was the sliding movements of the glaciers that structured the region during the Quaternary. There are rocky outcrops, glacial moraines, sedimentary strata, alluvial plains, with the appearance of valleys and streams including the Yzeron stream, the longest of the streams in West Lyon with its 25.1 km. The sands of Yzeron in Roman times were used for the construction mortar of the ancient theaters of Lyon and its region. Ammonites disappeared at the same time as the dino
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