The Peña de Francia is a mountain that rises to 1,727m, south of the Salamanca, Autonomous Region of Castile and León, Spain, whose peak belongs to the municipality of El Cabaco.LocationIt belongs to the municipality of El Cabaco, it is one of the highest mountains of the Sierra de Francia, which in turn is part of the Central System. The synclinorium of the Peña de Francia is separated from syncline of Tamames by the granite outcrop of La Alberca. Surrounding the mountain to the north are towns that have become hotbeds of rural attractions during the last decade such as La Alberca.GeologyGeologically it is a very complex structure and is one of the highest mountains of the western sector, namely the Sierra de Francia. It has a deformed structure with folds of various types, either highlighted by banks of Ordovician quartzites and conglomerates. These structures are located in an area near the Falla de Plasencia. The mountain is affected by dislocations to the North-East, along which there have been movements of blocks, and separating of different sectors of the folds.