The Pale di San Martino (also known as the "Pale Group") is the largest mountain group in the Dolomites, with a surface area of about 240 km², located between eastern Trentino and Veneto (province of Belluno), in the area between Primiero (valleys of Cismon, Canali, Val Travignolo), Valle del Biois (Falcade, Canale d'Agordo) and Agordino.