
Indeed, through this small ravine known as the “Sagnières” (marshes, wet meadows), the river spreads its blessings throughout the first part of the trail. As Saint-Exupéry said, “What flowed thus from the belly of the mountain was life; it was the blood of men.” These men knew how to use and channel this resource, as they have done here, in order to survive. Is it not the most abundant element on the planet? With a global volume estimated at 1,360 million km³, it is also the most abundant component of living matter: humans and animals are composed of about 71% water, green plants of 85%, and wood of 50%. In other words, this water flowing at your feet remains the most precious resource the earth can offer to humankind.