Best attractions and places to see around Flagey include a variety of historical sites and natural features. This region offers opportunities to explore ancient architecture and significant landmarks. Visitors can discover areas known for their historical importance and scenic beauty. The diverse points of interest provide a comprehensive experience for those exploring the area.
Last updated: June 24, 2026
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Until the mid-19th century, the remains of a Gallo-Roman arch, which marked the northern city limit, were still visible. After being integrated into the fortifications at the end of the 3rd century and becoming a city gate, this structure owes its name either to its length or to a legendary king named Longo, whose effigy was mounted on a corbel overlooking the city. Around 1538, a barbican was built in front of the gate to prevent a frontal assault.
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Nice hike with parking and picnic area nearby. The path leading to the spring is a bit steep and can be slippery if it rains. The Sabinus cave is worth the detour, watch out for children when going there.
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This is the cathedral of Langres.
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Imposing cathedral of a small town steeped in history! Worth seeing from the outside and inside
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The Longe-Porte still has its 17th century guardhouse intact. The barbican of the “Longe-Porte” gate, projecting from the ramparts, allowed for increased control of access to the town of Langres.
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The Train à crémaillère in Langres was the first rack railway in France, connecting the Gare de Langres with the town of Langres, which is situated on a hill. The railway was 1.475 km long and had a maximum gradient of 172 ‰. The railway opened in 1887 with steam traction and was electrified in 1935. The railway was closed in 1971 due to obsolescence. One of the old electric trains has been restored and stands on the Promenade Jules Verne in Langres. The other has been taken to the Musée français du chemin de fer in Mulhouse. The railway was a major attraction for the residents and visitors of Langres, who could enjoy the views over the town and its surroundings.
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Langres Cathedral is dedicated to the 3rd century martyr Mammes of Caesarea. The cathedral is the seat of the Bishop of Langres and is a national monument. The cathedral dates from the 12th century and has a mixture of Romanesque, Gothic and Classical styles. The roof is decorated with colourful tiles and the façade has many details. The cathedral has some remarkable tapestries that are worth seeing. The cathedral is also a place of pilgrimage, as it houses the holy relic of the head of Saint Mammes. The cathedral is 94m long and 23m high. The façade was destroyed by fire and replaced in the 18th century by a three-storey classical façade.
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The Marne (Latin Matrona) is a river in France. It rises on the plateau of Langres, in the municipality of Balesmes-sur-Marne, at an altitude of about 420 meters. It initially drains to the northwest, later turns to the west and southwest and flows into the Seine as a right tributary after about 514 kilometers between Charenton-le-Pont and Ivry-sur-Seine, just southeast of Paris. Several French departments are named after the Marne, namely Haute-Marne, Marne, Seine-et-Marne and Val-de-Marne.
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The region around Flagey is rich in history. You can visit the impressive Saint-Mammès Cathedral of Langres, a religious building showcasing Burgundian-Romanesque and Gothic architecture. Additionally, explore the historic city gates of Langres, such as the Porte des Terreaux and the Porte de l'Hotêl de ville, which offer insights into the fortified city's past and panoramic views.
Yes, a notable man-made monument is the Langres Rack Railway. This was the first rack railway built in France, connecting the lower station to the upper town of Langres. Although closed in 1971, you can still see traces of its tracks and stations, and admire the views it once offered.
For natural beauty, visit the Source of the Marne. This is where the Marne River, the longest tributary of the Seine, originates on the Langres plateau. It's a tranquil spot protected by a small stone vault, offering panoramic views of the Côte aux Clos.
The area around Flagey offers various outdoor activities. You can find numerous routes for cycling, mountain biking, and hiking. For cycling, explore routes like the 'Porte de l'Hotêl de ville – Porte des Terreaux loop'. Mountain bikers can enjoy trails such as the 'Lake Mouche – Tufière de Saint-Ciergues loop'. Hikers have options like the 'Hanging Gardens of Cohons Loop' or the 'Source of the Marne – Sabinus Cave loop'. You can find more details on these activities in the dedicated guides for cycling, MTB, and hiking around Flagey.
Yes, several attractions are suitable for families. The Saint-Mammès Cathedral of Langres and the historic city walls of Langres, including gates like Porte des Terreaux, offer engaging historical exploration. The Langres Rack Railway, though no longer operational, provides an interesting historical context for children. Additionally, many of the hiking and cycling routes around Flagey include easy to moderate options that families can enjoy together.
The region, particularly in Langres, features a blend of architectural styles. The Saint-Mammès Cathedral is a prime example of Burgundian-Romanesque with Gothic elements. The fortified city of Langres itself boasts medieval architecture in its city walls and gates, such as the Porte des Terreaux and Porte de l'Hotêl de ville, which have Gallo-Roman origins and later modifications.
Yes, there are easy hiking trails available. For instance, the 'Passage dans la roche loop' is an easy route around Flagey, perfect for a leisurely walk. You can find more details and other options in the hiking guide for Flagey.
Visitors particularly appreciate the rich history and architectural beauty of the area. The Saint-Mammès Cathedral of Langres is often highlighted for its unique interior and the peaceful atmosphere it offers. The city walls and gates of Langres are also popular for their historical significance and the panoramic views they provide of the surrounding landscape.
Absolutely. Langres is known for its well-preserved fortified city. You can easily take a walk along the four-kilometer-long city wall, which features twelve towers and seven gates, including the Porte des Terreaux and Porte de l'Hotêl de ville. This offers an excellent way to appreciate its architecture and enjoy the panoramas.
Yes, some routes allow you to experience both. For example, the 'Source of the Marne – Sabinus Cave loop' hiking route combines a visit to the natural Source of the Marne with other points of interest. Cycling and mountain biking routes also often pass through scenic landscapes and near historical landmarks, offering a varied experience.


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