The Stura di Demonte Valley (in Italian Valle Stura di Demonte) is a valley in south-west of Piedmont in the Province of Cuneo, Italy.
The valley takes its name from the river Stura di Demonte, a left-hand tributary of the Tanaro which flows through the approximately 50-km-long valley.
The municipalities of the valley are Aisone, Argentera, Borgo San Dalmazzo, Demonte, Gaiola, Moiola, Pietraporzio, Rittana, Roccasparvera, Sambuco, Valloriate and Vinadio.
The notable summits which surround the valley include:
The valley can be reached by car/bus from the Po Plain following the strada statale nr. 21 della Maddalena, which ends with the Colle della Maddalena and connects the Valle Stura di Demonte with the Ubaye Valley (France).