Tags: Military Structure.
Ouvrage Monte Grosso is a work (gros ouvrage) of the Maginot Line’s Alpine extension the Alpine Line also known as the Little Maginot Line. The ouvrage consists of one entry block four artillery blocks and two observation blocks facing Italy. It was the largest ouvrage in the Alps It is part of the fortifications surrounding Sospel which protect the approaches to Nice from the north.