Attractions and places to see around Saint-Vallier-Sur-Marne are primarily found in the Haute-Marne department of northeastern France, situated along the Marne River. This historical village, once a fortified settlement, serves as a gateway to the richer historical and cultural sites of the nearby city of Langres. The region offers a blend of historical landmarks and natural landscapes, primarily within a short distance of Saint-Vallier-Sur-Marne.
Last updated: May 9, 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 area is rich in history, particularly in the nearby fortified city of Langres. You can visit the impressive Saint-Mammès Cathedral of Langres, a blend of Romanesque and Gothic architecture. Don't miss the historic city gates like Porte des Terreaux and Porte de l'Hotêl de ville, which offer insights into Langres' fortified past.
Yes, several attractions cater to families. The Liez Lake Beach is a great spot for swimming, with a playground and picnic area. In Langres, the Langres Rack Railway, though no longer operational, offers historical interest and scenic views that can be enjoyed by all ages. The Langres Lakes also feature activities like pedalos and inflatable obstacles at Lake Liez's 'Lake Park'.
The region is characterized by its scenic location along the Marne River and several artificial lakes. The Liez Lake Beach provides access to Lake Liez, where you can swim and enjoy views of the dam. The area around Langres is home to four lakes (Liez, Charmes, Mouche, and Vingeanne) offering various leisure activities and natural beauty.
The area offers a variety of outdoor activities. For hiking, you can explore routes like the 'Lac de la Liez — loop' or the 'Source de la Marne — loop from Balesmes-sur-Marne'. Cyclists can enjoy road cycling routes such as the 'Langres – Lake Liez loop from Peigney' or mountain biking trails like the 'Lac de la Liez loop from Lecey'. You can find more details on these and other routes in the hiking guide, road cycling guide, and MTB trails guide for Saint-Vallier-sur-Marne.
The summer months, particularly from June to September, are ideal for visiting, especially if you plan to enjoy water activities at the lakes. The Liez Lake Beach, for instance, is open during this period. Spring and autumn also offer pleasant weather for exploring historical sites and enjoying outdoor activities without the summer crowds.
Yes, the Ramparts of Langres are a major highlight. You can walk along these extensive fortifications, which stretch for approximately 3.5 to 5.5 kilometers, offering panoramic views of the surrounding countryside and the Marne Valley. The walls feature seven gates and twelve towers, with parts dating back 2000 years.
Yes, in Langres, you can visit the Maison des Lumières Denis Diderot. This museum is dedicated to the famous philosopher and encyclopedist Denis Diderot, who was born in Langres, offering insights into his life and work.
Langres showcases a rich architectural heritage. The Saint-Mammès Cathedral is a prime example, blending Romanesque and Gothic styles with an 18th-century classical facade. The city's historic center also features attractive streets, an exceptional Renaissance house, and the Church of Saint-Martin, alongside its impressive fortifications.
Visitors frequently appreciate the blend of historical depth and natural beauty. The well-preserved fortifications and the grandeur of the Saint-Mammès Cathedral in Langres are often highlighted. The scenic views from the ramparts and the recreational opportunities at the Langres Lakes, particularly Liez Lake Beach, also receive high praise for their relaxing atmosphere and family-friendly options.
Beyond the ramparts and cathedral, Langres is home to the Langres Rack Railway, which was France's first rack railway. Although no longer in use, traces of its tracks and stations remain, offering a glimpse into a unique piece of engineering history. Additionally, the Tour de Navarre, an impressive circular Renaissance tower, stands as one of the few of its kind to have survived in France.
Absolutely. The Ramparts of Langres provide extensive panoramic views of the surrounding countryside, the Marne Valley, and the nearby lakes. The former route of the Langres Rack Railway also offers excellent vantage points of the fortified city and its picturesque surroundings.


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