Caves around Poulx offer a blend of natural formations and historical significance within the region's rugged landscape. The area features various natural features, including caves and shelters, often integrated into popular hiking trails. These sites provide insights into ancient human activity and geological processes. Visitors can explore a range of terrain features, from challenging ascents to accessible historical tunnels.
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 caves and shelters in the Poulx area hold significant historical value. For instance, La Baume Saint-Vérédème Cave and Chapel has been occupied since the Paleolithic era and is linked to Saint Vérédème's hermitage. The Salpêtrière Prehistoric Shelter served as a Stone Age camp site, dating back to around 19,000 years ago, and is located near the Pont du Gard aqueduct. Additionally, the Perrotte Tunnel (Roman Aqueduct) offers a glimpse into ancient Roman engineering.
The difficulty varies. Reaching La Baume Saint-Vérédème Cave and Chapel involves a very steep climb over rocks, with some sections requiring steel handrails, making it a more challenging experience. Other sites like the Perrotte Tunnel (Roman Aqueduct) are generally easier to navigate, even suitable for mountain biking, though beginners might need to dismount occasionally. Some natural cavities, like the Easter Cave, are fenced and impenetrable.
Yes, Le Castellas – View over the Gardon is a notable viewpoint that incorporates cave features. It offers a magnificent belvedere over the Gardon river, providing scenic views. It's particularly recommended during the beautiful off-season days.
The region's caves and shelters can be visited throughout the year, but the off-season (spring and autumn) is often recommended for sites like Le Castellas – View over the Gardon to avoid summer heat and potential access regulations due to forest fire risk. For sites involving steep climbs, pleasant weather is advisable.
While some sites like La Baume Saint-Vérédème Cave and Chapel involve challenging ascents, the Perrotte Tunnel (Roman Aqueduct) is generally accessible and can be a good option for families, even for riding through on mountain bikes. The Salpêtrière Prehistoric Shelter is a half-open cave that can be viewed from nearby, offering historical context without requiring deep cave exploration.
The area around Poulx offers various outdoor activities. You can find numerous running trails, such as the 'Saint-Vérédème Cave – The Baume Mills loop' or the 'Pont du Gard loop from Poulx'. There are also MTB trails like the 'Pont du Gard – View of Collias loop' and gravel biking routes. For more details on these activities, you can explore the Running Trails around Poulx, MTB Trails around Poulx, and Gravel biking around Poulx guides.
Given the varied terrain, especially for sites like La Baume Saint-Vérédème Cave and Chapel which involves steep, rocky climbs, sturdy hiking shoes with good grip are essential. Layered clothing is advisable as temperatures can vary, and some areas might be cooler. For tunnels, while not always necessary, a headlamp can be useful if you plan to explore deeper sections or if visiting on a darker day.
Generally, for the publicly accessible sites mentioned, such as La Baume Saint-Vérédème Cave and Chapel or the Perrotte Tunnel (Roman Aqueduct), no special permits are required for entry. However, it's always wise to check for any local regulations, especially concerning forest fire risk during dry periods, which can affect access to certain natural areas, including viewpoints like Le Castellas – View over the Gardon.
While many outdoor trails in the region are dog-friendly, specific rules for cave access can vary. For natural outdoor sites and trails leading to caves, dogs are often permitted if kept on a leash. However, for historical or sensitive sites, or within actual cave interiors (if accessible), restrictions might apply. Always check local signage or specific site rules before bringing your dog.
Beyond the caves themselves, the region offers rugged natural environments. You'll encounter gorges, such as the one housing the Salpêtrière Prehistoric Shelter, and river views, particularly from Le Castellas – View over the Gardon. The landscape often features limestone formations and Mediterranean vegetation, characteristic of the Gardon river area.
Poulx itself has local amenities. For specific locations directly adjacent to the more remote cave sites, options might be limited. It's advisable to plan your visit with provisions or check for establishments in nearby villages or towns before heading out to the trails and cave locations.


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