Best caves around Hauts-de-France are primarily historical underground sites, offering insights into the region's past rather than extensive natural karst formations. This northern French region is characterized by its historical significance, particularly its role in various conflicts, leading to the creation and use of numerous man-made underground structures. These sites provide a tangible connection to human resilience and ingenuity, often repurposed from ancient quarries into shelters or military installations. Visitors can explore a variety of subterranean environments that reflect centuries…
Last updated: July 8, 2026
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There is a trench right next to it
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Great place to discover in the forest
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Possibility to sit on the steps for a meal or a break. Lamp recommended
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The Vauban Garden was created in the mid-19th century, in 1865. At that time, the city of Lille was expanding, and this was an opportunity for the city to create new green spaces, places for walking where the people of Lille could enjoy nature. In this garden, the bourgeoisie liked to show off, and the workers, from the industrial districts, enjoyed breathing the fresh air, far from the factories. First called the Empress Eugenie Park, the Vauban Garden took its current name in 1870. It became a listed site in 1991. By following the route opposite, take the garden's curving paths, cross its rolling lawns, and discover this romantic place inspired by English gardens. For the creation of this public garden, the City of Lille commissioned the Chief Gardener of Paris. He created and landscaped numerous gardens for the capital, such as the Luxembourg Gardens and the Buttes-Chaumont Park. This highly renowned landscape gardener has worked for other cities in France: Roubaix (Barbieux Park), Marseille, Cambrai, and abroad: Italy, Austria, and Egypt. At the bottom of the garden lies a cave from which a waterfall flows, feeding the ponds. Like the river, this cave is not natural: it was built of reinforced concrete and stone rubble. Over time, the accumulation of limestone dissolved in the water and trapped by plants (mosses) has revealed new rock, forming large blocks on the sides of the cave.
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Deep beneath the Chemin des Dames plateau lies the Caverne du Dragon, a former limestone quarry that was transformed into a strategic underground fortress during the First World War. From 1915, German troops took over the cave and built dormitories, a chapel, an aid station and even an electricity network. Later, the cave was partially retaken by the French, and both armies temporarily lived side by side, separated by walls in the darkness. The name “Caverne du Dragon” (Drachenhöhle) refers to the mythical dragon from Germanic legends, inspired by the smoke that rose from the loopholes as if from the mouth of a monster. Today, the cave is a museum and memorial site, where visitors can explore the underground passages and experience the traces of soldiers’ lives in the depths.
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The Dragon's Cave is a place for goosebumps. It's unbelievable how you dig in during war. An absolute highlight on the Chemin des Dames!
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The Grottes des Roches de l'Ermitage are natural and artificial caves dug by erosion in the limestone rock. You can explore the two largest caves, with a length of 21 m and 36 m respectively, or admire the impressive stack of blocks which forms a large shelter on the side of the valley. The site is also rich in history and legend, as it is said to be where the Irish monk Goban settled in the 7th century and performed many miraculous healings.
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The Hauts-de-France region is primarily known for its historically significant man-made underground sites rather than extensive natural karst formations. These include ancient quarries, wartime shelters, and troglodyte dwellings, offering a unique glimpse into the region's past and human ingenuity.
Yes, several sites are suitable for families. The Caverne du Dragon, a former quarry with a museum detailing its WWI history, is family-friendly. The Grotto and Waterfall of Jardin Vauban offers a pleasant experience, and the Paissy Troglodyte Village provides an interesting look at cave dwellings. The Saint-Martin Church & Grotto, Morcamp is also listed as family-friendly.
The Hauts-de-France region has several significant WWI sites. The Caverne du Dragon, a former quarry, served as a fortified underground barracks for both German and French soldiers. The Carrières de Confrécourt are underground quarries where French soldiers left sculptures and frescoes. Similarly, Les Creutes de Pasly were WWI shelters with carvings and graffiti. The Naours Underground City also has a poignant connection to WWI, with extensive Anzac soldier graffiti.
Yes, the Naours Underground City is a significant historical site. It's an extensive network of tunnels and chambers that served as a refuge through various conflicts, including WWI. Visitors can explore living quarters, chapels, and see over 3,000 pieces of graffiti, including those left by Anzac soldiers. It also features a museum of ancient crafts. You can find more information about visiting the Amiens area, which includes Naours, at amiens-tourisme.com.
The Boves of Arras are unique underground galleries beneath the city, initially quarried for stone and later used as merchant storage and shelters during both World Wars. They extend for about 20 kilometers and offer guided tours revealing their thousand-year history, including WWI passages used by Allied soldiers. Visitors should wear warm clothing as the temperature remains around 11°C (52°F) year-round.
While many sites are man-made, the Hermitage Rock Caves feature both natural and artificial caves formed by erosion in limestone rock. You can explore two main caves and observe impressive rock formations and a large shelter formed by stacked blocks.
Yes, the caves at Le fond Guesot are part of a natural site and are home to rare bats and prehistoric carvings. They are not generally open to the public, and special permission from the Conservatoire des Sites Naturels de Picardie is required for entry. However, you can admire them from the outside.
The Hauts-de-France region offers various outdoor activities. You can find numerous hiking trails, such as the 'Dunes de la Slack' or 'Sentier du Fartz,' which are easy loops in the regional natural park. For more challenging options, there are moderate hikes like the 'Balconies of Escalles Trail'. Mountain biking is also popular, with trails like the 'Scherpenberg Forest Trail' or 'Marais de la Galance'. You can explore more options for hiking and MTB trails in the region.
Many underground sites, such as the Boves of Arras, maintain a consistent cool temperature year-round, often around 11°C (52°F), with high humidity. It is advisable to wear warm clothing, even during summer, to ensure a comfortable visit. For some sites like Les Creutes de Pasly, bringing a flashlight is also recommended.
One specific highlight, simply named Cave, is listed as dog-friendly. However, for other historical or protected sites, it's best to check directly with the attraction regarding their pet policies before visiting.
The Carrières de Confrécourt are open for guided tours on the first Sunday of each month, from April to September. You must book your visit in advance to explore these underground quarries and see the unique sculptures and frescoes left by WWI soldiers.


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