Stelvio National Park is the largest not only among the historical Italian parks, but also in the whole alpine chain. It stretches in the heart of the Central Alps and includes characteristic valleys shaped by the action of ice and water flowing down from the imposing massif of the Ortles-Cevedale group. Majestic ridges, luxuriant forests, high mountain green grasslands crossed by foaming streams springing from perennial glaciers form the Park landscape. Many rare animal and plant species live in wide ecosystems present in territory thanks to its remarkable differences in height and to its morphological variety. The landscape is scattered with villages and "masi" at the bottom of the valleys and on the mountain slopes: they are charming evidences of rural and religious architecture in harmony with the surrounding environment.