Aven d’Orgnac: An underground wonder
Step into a world of stalactites, stalagmites, and other extraordinary geological formations at Aven d’Orgnac. Located in the heart of the Ardèche, this impressive cave is a must-see for every nature lover and adventurer.
In the Footsteps of Robert de Joly
In 1935, the renowned speleologist Robert de Joly discovered this hidden treasure. Captivated by the beauty of the cave system, he dedicated himself wholeheartedly to opening it up to the general public. Today, everyone can admire the breathtaking wonders of the Aven d’Orgnac with their own eyes.
A Journey Through Time
A guided tour takes you deep into a fascinating past. You will be left in awe by the immense chambers, the richly colored walls, and the whimsical shapes of countless stalactites and stalagmites, all while expert guides bring the geological story behind this subterranean splendor to life.
Among the absolute highlights is the De Joly Chamber—the largest space, spanning 7,000 square meters. Further along, a striking stalagmite evokes the Leaning Tower of Pisa, and you will walk past a “forest” of formations that resemble stacks of dinner plates. Equally impressive are the “giant palms” with their leaf-like structures, the iconic “Pine Cone” standing over eleven meters tall, and the Red Chamber, which owes its deep, vibrant hue to the presence of iron oxide.
The Cité de la Préhistoire
Right next to the cave lies the Cité de la Préhistoire (City of Prehistory). Here, you can step into the world of our distant ancestors, discovering how Neanderthals lived and how humanity has evolved over the centuries.
Why it’s worth a visit
The Aven d’Orgnac combines a rare, millions-of-years-old natural wonder with a fascinating look at geology, speleology, and early humanity. The adventurous guided tour makes the site an inspiring and multifaceted experience for visitors of all ages.
Practical information
You can find the site at 2240 Route de l’Aven in Orgnac-l’Aven (07150). The complex is open daily, with the exception of a few public holidays. Please check the official website for current opening hours and admission prices.
