Discover the underground environment, by progressing in a cave with almost horizontal galleries.
Equipped with a combination and with a helmet with lighting, go off to explore the underground environment and its secrets, how did it form, who occupies it or stays there, which are the importance and the utility of this activity called "caving"? It is about a subterranean hike with short passages in crawling, and an climbing of easy level on low projections. Frequent stops for the observation of specific parts and for the educational interventions.
94 route de Marignier