The cave is formed in limestone dating back to the Jurassic period.
Excavations inside the cave have revealed fossilized bones of cave bears and other prehistoric mammals.
The temperature remains stable at approximately 14 degrees Celsius year-round.
The cave was discovered by accident during agricultural work in the late 19th century.
The site features a specific type of thin, straw-like stalactite formation known as fistulous stalactites.
Cave Lastournelle is a subterranean limestone cavern located in the Lot-et-Garonne region of France, notable for its distinct geological formations and fossilized remains. The cave system features seven consecutive rooms filled with stalactites, stalagmites, and eccentric crystallizations. It is situated on the Causse de Sainte-Colombe plateau, characteristic of the local karst landscape. The site contains evidence of prehistoric activity, including animal fossils discovered during excavations. Tours are guided to preserve the fragile cave environment and provide context on the cave's mineralogy. The cave maintains a constant internal temperature throughout the year regardless of external weather conditions. It serves as a regional educational site for geology enthusiasts and families.
The 'Salle des Colonnes,' which offers the most impressive concentration of large stalagmites and stalactites.
Wear a light jacket as the interior temperature is cool even on hot summer days.
Ensure your footwear has a good grip, as the path surfaces inside the cave can be damp or slick.
Follow the guide's instructions closely to avoid touching the delicate calcite formations.
Do not attempt to touch the stalactites, as oils from human skin can permanently stop their growth.
Closed during the winter months; open daily during the peak tourist season from spring through autumn.
No flash photography is allowed inside the cave to protect the rock formations; touching the walls or crystals is strictly prohibited.