The forest land, Franche-Comté is the region of big spaces among Vosges and Jura. The Franche-Comté's underground world relies on more than 9000 abysses and caves. In this region the natural wealth abounds, like: the Hedgehog Waterfall, Baume, the Trout Jump, Goumois's mantelpiece, Servance's globe, Lison's fountain, Cusancin's valley, Langouette's gorges....