Ouvrage Le Lavoir Is a work of the Maginot Line's Alpine extension, the Alpine Line, also called the Little Maginot Line. The ouvrage consists of two entry blocks, one infantry block, three artillery blocks and one observation block 6 kilometres (3.7 mi) south of Modane, France, guarding the Col de Fréjus. The surface barracks at Le Lavoir were connected to Charmaix by an aerial tram.
Ouvrage Pas du Roc is a work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one entry blocks, one infantry block, two artillery blocks and one observation block 6 kilometres (3.7 mi) south of Modane and 1.6 kilometres (0.99 mi) east of Ouvrage Le Lavoir in the vicinity of the Col de Fréjus. The position was incomplete at the outbreak of war in 1940.
Ouvrage Col de Buffere is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one combat block at an altitude of 2,393 metres (7,851 ft) on the Col de la Buffère. Additional blocks were planned but not built or were left incomplete.
Ouvrage Col du Granon is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one entry block, one infantry block and one observation block covering the Col du Granon as part of the defenses of Briançon and Grenoble. The ouvrage lies at an altitude of 2,329 metres (7,641 ft).
Ouvrage Les Aittes is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one entry block, three infantry blocks and one observation block, about two kilometers east of Cervières, Hautes-Alpes at an altitude of 2,029 metres (6,657 ft)..
Ouvrage Saint Ours Haut is a work of the Maginot Line's Alpine extension, the Alpine Line, also known as the Little Maginot Line. The ouvrage consists of one infantry block, one artillery block, two observation blocks and one combination block in the vicinity of the Col de Larche. It is located on the territory of the commune of Meyronnes. Construction began in March 1931, at a cost of 15.1 million francs.
Ouvrage Plate Lombard is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one entry block, two infantry blocks and one observation block. Unusually for an ouvrage, Plate-Lombard was built by MOM, which usually was responsible for lesser fortifications. The isolated position was commanded in 1940 by Lieutenant de Loye. It controlled the Fouillouse valley and the Col du Vallonet.
Ouvrage Fontvive Nord-ouest is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of two infantry blocks. While it is listed in some sources as an ouvrage owing to its construction by CORF, it is more like an infantry abri or shelter.
Ouvrage Saint Ours Nord-est is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of two infantry blocks. The associated underground support galleries are arranged with a short gallery connecting Blocks 1 and 2, with parallel stubs at Block 2. While it is listed in some sources as an ouvrage owing to its construction by CORF, it is more like an infantry abri or shelter.
Ouvrage Saint Ours Bas is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one infantry block. The location is unusual in lacking the underground galleries typical of a Maginot fortification, making it more like a blockhouse than an ouvrage. It was armed with two machine gun cloches and three heavy twin machine guns and six light machine gun embrasures. The interior is laid out on two levels.
Ouvrage Restefond is a work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one artillery block and three observation blocks at the summit of the Col de la Bonette. The entry block and an artillery block were not completed, and a further block was never built. At 2,733 metres (8,967 ft), Restefond is the highest Maginot ouvrage.
Ouvrage Col de Restefond is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of three infantry blocks. It is located directly adjacent to the Col de Restefond road at an altitude of 2,680 metres (8,790 ft). Construction work was completed in 1934, but the ouvrage was not armed until 1938.
Ouvrage La Moutière is a lesser work of the Maginot Line's Alpine extension, the Alpine Line at an altitude of 2440 meters. The ouvrage consists of one entry block, one infantry block and one observation block, with an unarmed exit block. The ouvrage supported the Ouvrage Restefond on the crest of the pass, guarding its southern flank. It also covered the Col de la Barcelonnette to the north. The position was built between 1931 and 1935.
Ouvrage Col du Caire Gros is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of two entry blocks at an altitude of 2,048 metres (6,719 ft). Additional blocks were planned but not built.
Ouvrage Col du Fort is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one infantry block and one observation block at an elevation of 1,717 metres (5,633 ft). An additional block was planned but not built.
Ouvrage Baisse de Saint Véran is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one infantry block facing Italy. Three combat blocks and an entrance block were planned, but only Block 2 was built, with one observation/light machine gun cloche, three light machine gun embrasures and one heavy twin machine gun embrasure at an altitude of 1915 meters. However, armament was never furnished and the cloche was not fitted. Almost none of the supporting subterranean galleries were completed. The position was manned in 1940 by 68 soldiers of the 40th Demi-Brigade des Fusiliers Alpins under Sub-Lieutenant Kessler.
Ouvrage Col de Brouis is a work of the Maginot Line's Alpine extension, the Alpine Line, also known as the Little Maginot Line. The ouvrage consists of one entry block and two artillery blocks facing Italy at an altitude of 871 metres (2,858 ft). The ouvrage is located about one kilometer north of Monte Grosso. It was placed to control the Col de Brouis and the D 2204 road between the Breil and Sospel.
Ouvrage Monte Grosso is a work 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.
Ouvrage Champ de Tir, also known as Champ de Tir de l'Agaisen is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. It is located at an altitude of 672 metres (2,205 ft), less than 1 kilometer to the northwest of Ouvrage l'Agaisen. The ouvrage consists of two entry blocks and one infantry block, sited to control the valley of the Nieya and to observe for l'Agaisen.
Ouvrage Col de la Valette is a lesser work of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage is located at an altitude of 2,182 metres (7,159 ft). Apart from a portion of Block 3 and the bare gallery system, little was completed. The post overlooks the valley of the Tinée at Isola on one side, and Beuil on the other.
