Located in the Drugeon valley, la Réserve Naturelle Régionale des Tourbières de Frasne Bouverans constitutes an important complex of bog altitude where various wet landscapes mix with. This mosaic of habitats offers a great floristic and faunistic wealth and constitutes a true water reserve and of biodiversity. Expatriation is total there: environment points out the Far North.
Part of the reserve is arranged to allow the teaching discovery in the respect of the site and the strict regulation of Nature reserve.