Grottes de La Balme

Grottes de La Balme is a cave system in eastern France featuring more than 1,000 meters of underground passages, natural chambers, and an underground lake. The limestone formations display different stages of erosion and show how water has carved through rock over millennia.

The caves opened to systematic visitor access in 1807, making them among France's earliest tourist attractions of this kind. This pioneering role helped establish underground exploration as a form of tourism during the 19th century.

The caves serve as a window into underground life, revealing how water shapes limestone and what creatures inhabit the darkness below. Visitors can experience how this natural system has shaped the local connection to the land.

The site maintains a constant temperature between 12 and 15 degrees Celsius year-round, making visits comfortable during any season. Bring a jacket since the underground environment stays cool regardless of outside weather.

An infrared camera system in an inaccessible gallery lets visitors observe resident bat colonies without disturbing them. This approach combines wildlife protection with exploration, showing how technology can reveal hidden inhabitants.

Location: La Balme-les-Grottes

Accessibility: Wheelchair inaccessible

Address: Rue des Grottes, 38390 La Balme-les-Grottes, France

Opening Hours: Monday-Sunday 13:30-18:00

Phone: +33474969500

Website: https://grotteslabalme.com

GPS coordinates: 45.85236,5.33948

Latest update: December 6, 2025 17:42