Best caves around Chandolas are situated in the Ardèche region of France, an area renowned for its extensive subterranean world. This geological landscape offers visitors a glimpse into millions of years of natural history. The region's karst topography has created numerous caves and avens, providing diverse exploration opportunities. Chandolas serves as a base for accessing these significant underground formations.
Last updated: May 8, 2026
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A beautiful swimming spot where you can go by paddle boat. Afterwards you can take a break on the rocks and even jump in.
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The Aven du Réméjadou constitutes an impressive opening on the Plateau des Gras onto a vast underground network, submerged almost over its entire length. Isolated in the middle of a forest of shaggy oaks in a ruiniform and chaotic environment of large blocks of limestone, the entrance is characterized by a deep gap. 26 meters high, the well opens directly onto an underground river that can be heard very clearly from the entrance. In heavy rains, the waters of the river sometimes rise up the well with a roar which can then be perceptible from afar. Given its characteristics, the exploration of this network where exposed sections are rare remains the almost exclusive domain of seasoned cave divers.
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The visit to the cave is worth the detour, it is possible to go quite far inside. The ground is wet and sticky (like wet clay), there are beautiful cavities to observe. Provide a good flashlight because quickly you can no longer see the entrance or the light of day.
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A bit spooky if you imagine that in the past lepers had to live there
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On your right, you will see a path that you can take to see the Réméjadou sinkhole. Be careful because the sinkhole is deep and the surroundings can be slippery. Quotation taken from the site http://photoardeche.free.fr/themes/grottes/zone_gras/remejadou/index.htm "Cavity explored for the first time on July 7, 1892 by Gabriel Gaupillat Coordinates: X= 753.117 Y= 239.240 Z = 195.1 - Depth: - 51 meters The Aven du Réméjadou constitutes on the Plateau des Gras an impressive opening onto a vast underground network, submerged almost over its entire length. Isolated in the middle of a forest of shaggy oaks in a ruiniform and chaotic environment of large blocks of limestone, the entrance is characterized by a deep gap. 26 meters high, the well opens directly onto an underground river that can be heard very clearly from the entrance. In heavy rains, the waters of the river sometimes rise up the well with a roar which can then be perceptible from afar. Given its characteristics, the exploration of this network where exposed sections are rare remains the almost exclusive domain of seasoned cave divers.
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Bats live here, it is best not to go too deep into the cave so as not to disturb them
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One can no longer think about the fact that the sick must have lived like lepers here
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A great swimming spot with rocks in the water. In the rock face by the water there is an entrance to a cave into which you can go several meters. Has scary factor. ☺️
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The Ardèche region, where Chandolas is located, offers a diverse range of subterranean experiences. You can find historical caves like Les Baumes des Grenas Cave, which has historical significance, or natural wonders with impressive formations such as Aven d'Orgnac and Grotte de la Madeleine. There are also challenging avens like The Aven of Réméjadou, and even a replica of a prehistoric art site at Grotte Chauvet 2 – Ardèche.
Yes, several caves cater to families. The Small cave for the curious is an accessible option where you can walk a few meters deep with a flashlight. Grotte de la Madeleine is also generally family-friendly with well-maintained pathways and guided tours. For a unique experience, La Forestière cave offers an unguided exploration with a headlamp, which can be exciting for older children.
For an extraordinary insight into ancient artistic prowess, visit Grotte Chauvet 2 – Ardèche. This meticulously crafted replica showcases exceptionally well-preserved Paleolithic cave paintings and engravings dating back 36,000 years, offering an authentic underground experience of prehistoric human activity.
Aven d'Orgnac is a Grand Site de France known for its spectacular stalactites, stalagmites, and vast chambers. Grotte de la Madeleine also features impressive concretions and often includes beautiful light shows that highlight its formations. Saint-Marcel d'Ardèche cave is another excellent choice, with pools, 'cathedrals,' and crystal formations enhanced by magical lighting.
Yes, some caves are more challenging. The Aven of Réméjadou is a deep sinkhole opening onto a vast underground river network, primarily for seasoned cave divers. Évent de Peyrejal Cave requires climbing equipment and a 50-meter rope for its entrance area, and should not be visited after heavy rains due to flooding risk.
The caves in the Ardèche region provide a welcome retreat, especially during warmer months, as their interior temperatures remain consistently cool, often around 20 degrees Celsius. This makes them an ideal destination for escaping the summer heat.
Yes, La Forestière cave in Orgnac-l'Aven offers a unique unguided visiting experience. You are provided with a headlamp at the entrance and can explore the classified underground cavity at your own pace, discovering its splendors independently.
Given the consistent cool temperatures inside the caves (around 20 degrees Celsius), even in summer, it's advisable to bring a light jacket or sweater. Comfortable, non-slip shoes are also recommended, as some cave paths can be damp or muddy, such as in Les Baumes des Grenas Cave.
Chandolas is a great base for various outdoor activities. You can find numerous cycling routes, including options for touring bicycles, gravel biking, and road cycling. For example, explore routes like 'Païolive Woods – The Bear and the Lion loop' or 'Via Ardèche – Bridge over the Chassezac loop'. You can find more details on these activities in the Cycling around Chandolas, Gravel biking around Chandolas, and Road Cycling Routes around Chandolas guides.
Visitors appreciate the diverse experiences offered, from the historical insights of caves like Les Baumes des Grenas Cave to the breathtaking natural formations. Many enjoy the opportunity to explore with a flashlight, as described for the Small cave for the curious, and the cool, refreshing atmosphere inside the caves, especially during warm weather.
Aven d'Orgnac is renowned for its spectacular stalactites and stalagmites, designated as a Grand Site de France. Marzal Aven is another significant subterranean site known for its geological interest. The Saint-Marcel d'Ardèche cave also boasts impressive crystal formations and underground pools.


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