The principal valley, that of the Piave, runs parallel to the mountain chain which separates the province of Belluno from the basin of the Adige.

Its tributaries are, Fanes, Costeana, Felizon, Ursuline, Assola, Rite, Rudan, Vallesina Over the course of the Boite are also the reservoirs of Vodo and Valle di Cadore.

[3] The Boite and Piave drainage system belongs to the complex Dolomite Alps geology sequence made up of sedimentary rocks intruded with pyroclastic.

The high rise domes of the mountains, primarily belong to the Mesozoic age and basically consist of dolomite with exposures of limestone, marlstone, claystone, siltstone, sandstone, tuff and conglomerates.

[6] The Boite river valley has eight distinct ski areas which are located in the lower-altitude snowfields and which are approached by cable cars.