Located in the Parco Nazionale dello Stelvio, Valdisotto’s Riserva del Paluaccio di Oga is of particular environmental interest. 

This peaty moorland is of special interest, especially its flora. Founded in 1983, the reserve spans some 30 hectares and contains a variety of protected environments of special interest, such as low and intermediate peat bogs, peaty meadows, nard grasslands and wooded areas. One of the most singular features of the reserve is the presence of Drosera rotundifolia, or round-leaved sundew, a carnivorous plant that became established due to the lack of nutrients in the soil. 

The most easily recognisable characteristic of the mires are the hummocks, or knolls, of sphagnum (a type of moss that constantly grows thicker and thicker).