High Quality Content by WIKIPEDIA articles! The Valparola Pass is a high mountain pass in the Alps in the province of Belluno in Italy. The pass lies a little west of Falzarego Pass. Before World War I, there was only a trail over the pass, but the area was heavily contended during the war. A remaining fort has been made into a museum. The pass is the divide between the watersheds of the Adige, which flows west into the Adriatic Sea and the Piave, which flows east.