Noasca is a comune in the Metropolitan City of Turin in the Italian region Piedmont, located about 50 kilometres northwest of Turin, in the Orc…Noasca is a comune in the Metropolitan City of Turin in the Italian region Piedmont, located about 50 kilometres northwest of Turin, in the Orco Valley. Noasca borders the following municipalities: Cogne, Valsavarenche, Locana, Ceresole Reale, Groscavallo, and Chialamberto. It is part of the Gran Paradiso National Park. The main peak in the area is the Roc at 4,026 metres.