Ouvrage Les Sarts is a petit ouvrage of the Maginot Line, built as part of the "New Fronts" program to address shortcomings in the Line's coverage of the border with Belgium. Like the other three ouvrages near Maubeuge, it is built on an old Séré de Rivières system fortification, near the town of Marieux.
Ouvrage La Salmagne is a petit ouvrage of the Maginot Line, built as part of the "New Fronts" program to address shortcomings in the Line's coverage of the border with Belgium. Like the other three ouvrages near Maubeuge, it is built on an old Séré de Rivières system fortification, near the town of Bersillies. The Ouvrage Bersillies is nearby to the northwest. La Salmagne has been preserved and is open to the public.
Ouvrage Bersillies is a petit ouvrage of the Maginot Line, built as part of the "New Fronts" program to address shortcomings in the Line's coverage of the border with Belgium. Like the other three ouvrages near Maubeuge, it is built on an old Séré de Rivières-system fortification, near the town of Bersillies. The preserved Ouvrage La Salmagne is nearby to the southeast. Bersillies is not open to the public.
Ouvrage Sapey 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, three artillery blocks and one observation block two kilometers west of Modane. The ouvrage was built beneath the older Fort du Sapey. The new work cost 12.8 million francs.
Ouvrage Janus is a work of the Maginot Line's Alpine extension, the Alpine Line, located to the east of Briançon on near the Col de Montgenèvre. The ouvrage consists of one entry block, two infantry blocks, two artillery blocks, two observation blocks and one combination block at an altitude of 2,540 metres (8,330 ft), the second highest fortification on the Alps in 1940. Built on the site of the old Fort Janus, it retained the old fort's 95mm naval guns and added two 75mm guns
Ouvrage Roche-la-Croix 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, two infantry blocks, one artillery block and two observation blocks in the vicinity of the Col de Larche. An aerial tram was provided for better access. The position is located at the top of a sheer escarpment that dominates Meyronnes and the valley of the Ubayette.
Ouvrage Plan Caval is a lesser work of the Maginot Line's Alpine extension, the Alpine Line, also known as the Little Maginot Line. The ouvrage consists of two infantry blocks and one observation block facing Italy. The ouvrage is located on the heights of L'Authion, surrounded by older fortifications. Three additional blocks were planned to make it a gros ouvrage but were not built. Cost for the full ensemble was estimated at 23 million francs.
Ouvrage Barbonnet is a work of the Maginot Line's Alpine extension, the Alpine Line, also called the Little Maginot Line. The ouvrage consists of one entry block and one infantry block facing Italy. The ouvrage was built somewhat behind the main line of fortifications on the old Fort Suchet, which was already armed with two obsolete Mougin 155mm gun turrets.
Ouvrage Mont Agel is a work of the Maginot Line's Alpine extension, the Alpine Line, also called the Little Maginot Line. The 1930s ouvrage was built in and around the earlier mountaintop Fortress of Mont Agel. The ouvrage forms a backup to the main curtain of Alpine Line forts, and was not initially planned as part of the Alpine Line proper. Its intended function was primarily to provide heavy, long-range artillery support from a location well to the rear of the line. However, the planned 145mm heavy guns were never installed. Its site on Mont Agel, at an altitude of 1,118 metres (3,668 ft), is the highest point in the vicinity of Nice and Menton and commands the entire coastline, as well as the approaches from Sospel to the north. The site is now occupied by Base Aérienne 943 of the French Air Force and functions as an air defense control station.
The Mougin turret is a land-based revolving gun turret that housed some of the heaviest armament in French fortifications of the late 19th and early 20th centuries. While not reliably resistant to the explosive shells of opposing artillery, Mougin turrets remained active through 1940, when they engaged German and Italian forces during the Battle of France and the Italian invasion of France. The turrets were used at twenty-two forts of the Séré de Rivières system built in the 1870s.
Fort de Villey-le-Sec, also known as Fort Trévise, is a fortification of the 19th century, built as part of the Séré de Rivières system of fortifications in Villey-le-Sec, France, one of the defenses of Toul. It is a unique example for its time of a defensive enclosure around a village. Conceived after the defeat of the Franco-Prussian War of 1870-71, the fort was located away from the main combat zone of World War I and has remained almost intact. The fort's preservation association has been at work since 1961 to restore and interpret the site. It has been included in the Inventory of Historic Sites and has been designated as a preserved natural area.
The Fort de Vaujours, located in the commune of Courtry, Seine-Saint-Denis, near the town of Vaujours, is one of the forts built at the end of the 19th century to defend Paris. It became a research center for the Commissariat à l'énergie atomique (CEA), France's Atomic Energy Commission. The center was closed in 1997.
The Fort de Liouville, also known as Fort Stengel, located between the communes of Saint-Agnant-sous-les-Côtes and Saint-Julien-sous-les-Côtes, near the town of Commercy in the Meuse departement of France, is one of the forts built at the end of the 19th century to defend the valley of the Meuse. The fort was located on what was then the French frontier facing the German-occupied province of Lorraine. The Fort de Liouville was located between the Fort de Gironville and the Camp des Romains.
The Fort du Replaton is a fortification of the Séré de Rivières system in Modane, France. The fort was built to provide artillery cover for the French end of the Fréjus Rail Tunnel 800 metres (2,600 ft) away horizontally. It is connected to Modane by an aerial tram, which continues on from Replaton to the Fort du Sapey on a much higher eminence.
The Fort de Viraysse is a fortification complex in the Cottian Alps overlooking the Ubaye Valley. It was built between 1885 and 1888 to defend France against invasion from Italy. The position was one of the highest military posts in France at 2,772 metres (9,094 ft), and the only one in the Alps with a clear view of Italy. It was constructed as part of the Séré de Rivières system of fortifications, as a small post with an enclosing wall, and formed part of the elaborate fortifications centering on the Fort de Tournoux. The Col de Mallemort is directly adjacent to the fort.
The Fort du Bruissin is a fort in Francheville, France, near the city of Lyon. Built between 1878 and 1881, the fort is part of the Séré de Rivières system of fortifications built in the late 19th century. It has been rehabilitated as a contemporary artists' community. The Fort en Jazz festival is held there each year.
The Fort de Châtillon was a fortification located about 5 kilometres (3.1 mi) south of Paris in the communes of Châtillon-sous-Bagneux and Fontenay-aux-Roses. It was built in 1874 and was razed beginning in 1957, making way for expansion of the French nuclear research facility at Fontenay-aux-Roses.
Ouvrage Thonnelle is a petit ouvrage of the Maginot Line, located in the Fortified Sector of Montmédy between the towns of Thonnelle and Verneuil-Petit, facing Belgium. It possesses four combat blocks. It is located between gros ouvrages Vélosnes and Chesnois. The position was sabotaged and abandoned by French forces that were ordered to retreat from the exposed position in June 1940 during the Battle of France. The ouvrage is abandoned.
The Fort de Leveau, also known as Fort Schouller, is located in the commune of Feignies, France. It is part of the fortifications of Maubeuge, located to the northwest of the city, overlooking the railroad to Mons. The Séré de Rivières system fort was built 1882–1884, one of six forts built at the time. It is maintained as a museum by the town of Feignies.
The Fort de l'Olive is a fortification in the vicinity of Briançon in the Dauphiné region of southeastern France. Built in 1881 it was originally called the Ouvrage du Bois des Gasquets, it was the third and final fort built near Briançon as part of the Séré de Rivières system of fortifications in the 1870s and 1880s.
