The chesnut are numerous along the Arnette river. These trees are lining up in stages from 250 to 500 meters. The geographer André DAVID mentioned in his book « Mazamet seems to be the center of a chestnut plantation».

From time to time, men has created water point well appreciated by the frogs The spotted salamander is enjoying places fresh and humid, as these areas are perfect zones of reproduction.

These water points are the ideal place for the adult Wild boar and roe deer who love to stay in such biotope, where they feed themselves with chestnut and other food.