Oltressenda Alta (Bergamasque: Oltressènda Ólta) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about 80km northeast of Milan and about 30km northeast of Bergamo. As of 31 December 2004, it had a population of 195 and an area of 17.3km2. Oltressenda Alta borders the following municipalities: Ardesio, Clusone, Gromo, Rovetta, Villa d'Ogna, Vilminore di Scalve, Oltressenda alta has two majority localities: Nasolino and Valzurio.
