Tags: Military Structure.
Ouvrage Castillon is a work (gros ouvrage) of the Maginot Line’s Alpine extension the Alpine Line also called the Little Maginot Line. The ouvrage consists of one entry block two infantry blocks and two artillery blocks in a narrow ridge just to the west of Castillon Alpes-Maritimes. It was built on the original site of Castillon destroyed by an earthquake in 1887.