The Piora valley - located in the Saint-Gotthard Massif (central Swiss Alps) in the Southern part of Switzerland near Airolo at an altitude of 1921 m above sea level - is a landlocked alpine valley whose scientific value has been recognized for more than two centuries.
The Piora valley, found within the Saint-Gotthard Massif (central Swiss Alps) in southern Switzerland near Airolo at an elevation of 1921 meters above sea level, is a landlocked alpine valley with scientific importance recognized for more than two centuries.