Ouvrage Saint-Roch
Ouvrage Saint-Roch is a work ("gros ouvrage") of the Maginot Line's Alpine extension, the Alpine Line, also known as the Little Maginot Line. Small for a "gros ouvrages", the ouvrage consists of one entry block, one artillery block and two observation blocks overlooking Sospel at an altitude of . The position is located just to the southwest of Sospel, its entrance block in a narrow valley and the artillery block on the other side of the ridge overlooking Sospel. The "ouvrage" is laid out along a single line, with the entry block to the rear, immediately  followed by the "usine", with barracks farther along and Blocks 2 and 3 at intervals. The position's main armament is concentrated in Block 4, a massive blockhouse designed to protect against rockfalls from higher up the mountain. Description. Ouvrage Saint-Roch was built between November 1930 and June 1932, starting with a contractor named Marting and finishing with Roussel. The cost was 12.7 million francs, of which the armament cost 2,128,000 francs A fifth block on the crest of the mountain was proposed but not built, to house a GFM cloche. Two observation posts were associated with Saint-Roch , including Campoast, armed with one machine gun and twin automatic rifle positions. Saint-Roch and an associated museum are open for visitation year-round. The facilities are operated by the "Association de l'Armée des Alpes",