The Sesto Dolomites Natural Park is not only known for its great variety of plants and animals, but also for the famous Three Peaks. It covers an area of ​​11,635 hectares, including the towns of Sesto, San Candido and Dobbiaco, to the north-eastern part of the Dolomites, the Landro Valley and the border with the province of Belluno Established in 1981, the natural park covers the eastern part of South Tyrol. Surely the most famous peaks that fall into this protected area are the Top Eleven (3,092 m), Mount Popera (3,046 m asl), the Twelve Peak (3,094 m), Mount Paterno (2,744 m above sea level) and the only and impressive Three Peaks (2,999 m above sea level), those that give the name to the natural park. And propsito: The Sesto Dolomites represent a part of the Dolomites and are therefore part of the UNESCO World Natural Heritage.

The park is characterized by the presence of rocks and heaps of debris and serves as a habitat to many pioneer plants, among which the potentilla persicina, the yellow achilllea, crocuses and campanula of the mountain. Embraced is the Natural Park Dolomiti di Sesto especially in the eastern part by a mountainous landscape, with bright meadows in larch, but also by forests of fir trees and stone pines. animals characteristic of these mountain forests are the great spotted woodpecker, the black woodpecker, the boreal owl as well as roe deer. But the undisputed queen of the mountains here is also the golden eagle. The protected area includes only a lake of a certain size, the lake of Landro in the valley. Notable, however, are also the various small lakes such as Lake Malga di Mezzo or Lake Heights.