Bournillon cave, Choranche

The Bournillon Cave, located in the picturesque commune of Choranche, France, is a marvel for both speleologists and tourists alike. Known as one of the largest cave entrances in Europe, this natural wonder is nestled in the heart of the Vercors Regional Natural Park, a haven for outdoor enthusiasts and nature lovers.

The cave's immense portal, measuring an impressive 60 meters in height and 100 meters in width, serves as a grandiose gateway to a subterranean world of geological treasures. Inside, visitors are treated to a spectacle of stalactites, stalagmites, and flowstones, sculpted by the hands of time and the ceaseless work of water.

One of the cave's most fascinating features is the underground river that flows through its chambers, contributing to the formation of various speleological phenomena. The presence of this river has also played a crucial role in the cave's formation and continuing evolution.

For those seeking adventure, Bournillon Cave offers guided tours that delve into the depths of this limestone landscape. The tours are not only an opportunity to explore the cave's beauty but also to learn about its history, formation, and the delicate ecosystem within.

Safety is a priority, and visitors are provided with the necessary equipment and accompanied by experienced guides who ensure a secure and enlightening experience. The cave maintains a cool temperature year-round, so it's advisable for tourists to wear warm clothing and sturdy footwear.

While the cave is a draw for those interested in geology and natural history, it also holds a special allure for photographers and nature enthusiasts, who can capture the play of light and shadow on the cave's dramatic features.