Best caves around Collias are found in a region characterized by the Gardon River and its gorges, offering a blend of natural formations and historical significance. The area features limestone massifs and river gorges, which have led to the formation of numerous caves and prehistoric shelters. These sites provide insights into both natural history and past human habitation. Collias is situated near the Gorges du Gardon, an area known for its varied landscapes.
Last updated: June 23, 2026
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Simply beautiful to look at and a great building that has stood for centuries
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Beautiful viewpoint over the meanders of the Gardon below
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Superb view of the meandering Gardon River below. The small adjoining cave provides shelter if needed, but access is a bit tricky.
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Small, impenetrable cavity. Fenced all around. It must be used to catch the river. Not to be confused with the small cave 50 meters ahead, which is also impenetrable, but filled with graffiti and debris.
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Access is only available during certain periods of the year, due to the conservation of the small inhabitants that inhabit the area. The cave is open from August 16th to November 14th, and from March 16th to April 30th. Bring a good flashlight, as the crossing can take approximately 5 to 10 minutes. This cave is nothing more than the former underground passage of the Gardon River. Accessible to all, be careful, however, once you have crossed, you will be close to the cliff on the other side. The path beyond (T2/T3) can be daunting for some people. Don't hesitate to turn back if you have any hesitation.
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The Sernhac tunnels are the remains of the Roman aqueduct and are accessible to the general public: the Perrotte tunnel and the Cantarelles tunnel.
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Stunning and sporty
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Well-preserved example of the underground sections of the ancient Roman waterway. It was easy to ride (on a mountain bike). Beginners may need to dismount a few times. There was no need for lights in the tunnels. When I visited in the middle of the day, there was no one else there. There are places to sit in the shade for a break.
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The Collias region offers a variety of cave types, including natural formations, prehistoric shelters, and sites with historical significance. You can find ancient human habitation sites like the Salpêtrière Prehistoric Shelter, and unique combinations of nature and history such as the La Baume Saint-Vérédème Cave and Chapel.
Yes, the area is rich in history. The La Baume Saint-Vérédème Cave and Chapel has been occupied since the Paleolithic era and later became a place of pilgrimage. The Salpêtrière Prehistoric Shelter is a significant Stone Age campsite, eponymous to the Salpêtrien Paleolithic culture dating back approximately 19,000 years.
Yes, the ascent to the La Baume Saint-Vérédème Cave and Chapel is very steep over rocks, with some sections featuring steel handrails to assist visitors. It is considered a challenging hike and not suitable for every walker.
The Salpêtrière Prehistoric Shelter is a Stone Age campsite located under a massive overhanging rock formation near the Pont du Gard. While it's an important archaeological site, it is described as a half-open, large cave that is inaccessible for direct entry.
Yes, you can explore the Perrotte Tunnel (Roman Aqueduct). This site offers a well-preserved example of the underground sections of the ancient Roman waterway, accessible to the public. It's part of the Sernhac tunnels, which are remnants of the Roman aqueduct.
The caves in the Collias region, particularly the Grotte et Chapelle de la Baume Saint-Vérédème, are known to be home to various bat species. Access to some caves might be restricted during their hibernation and reproduction periods to protect these populations.
While some sites involve challenging terrain, the general area around Collias offers natural beauty that can be enjoyed by families. For specific cave exploration, it's best to check the difficulty ratings for each site. The Perrotte Tunnel (Roman Aqueduct), for instance, can be ridden through on a mountain bike and is considered accessible for beginners, making it a unique family activity.
The Collias area, especially the Gorges du Gardon, is excellent for outdoor activities. You can find numerous running trails, such as the 'Gorges du Gardon and Baume Saint-Vérédème Trail', or mountain biking routes like the 'Pont du Gard – View of Collias loop'. For more options, explore the Running Trails around Collias or MTB Trails around Collias.
The Gorges du Gardon area can be enjoyed during the beautiful off-season days. In summer, access to some natural sites, including viewpoints like Le Castellas – View over the Gardon, might be regulated due to forest fire risk levels. Visiting in spring or autumn generally offers pleasant weather for exploration.
For exploring darker cave interiors, such as the Grotte et Chapelle de la Baume Saint-Vérédème, a torch is recommended. Given the challenging terrain at some sites, sturdy footwear is essential. If combining with other activities, dress appropriately for hiking or cycling.
Yes, Le Castellas – View over the Gardon offers magnificent and photogenic views of the Gardon River and the surrounding natural monuments. It's a great spot to appreciate the landscape that has shaped these caves.
The Bayol Cave, known for its prehistoric Paleolithic drawings, is one of five ornate caves in the Gard department. However, it is currently closed to the public.
Many hiking trails in the Gorges du Gardon region offer access to or views of caves and shelters. For example, the 'Gorges du Gardon and Baume Saint-Vérédème Trail' is a moderate running route that passes by the Baume Saint-Vérédème Cave. You can find more options in the Running Trails around Collias guide.


Extend your search for the best caves by checking out these guides of the top ones around Collias: