The Stura del Monferrato (also known as the Stura piccola and the Stura di Casale,[3] in each case to distinguish it from other Piedmontese watercourses of the same name: the Stura di Lanzo, the Stura di Demonte and the Stura di Ovada) is a 36.7-kilometre (22.8 mi) stream, which runs through Murisengo, Cerrina Monferrato, Mombello Monferrato and Pontestura in the Italian Province of Alessandria.

A right tributary of the Po River it flows in a northeasterly direction within the hilly region of the Basso Monferrato, through the Val Cerrina.

(This valley, however, was not formed by the Stura: rather it was excavated by the major watercourse of Piedmont which existed during the Lower Pleistocene, draining the western Alps and following an east-south-easterly course generally to the south of today's Po.

[4]) Its mean discharge of a mere 3.2 cubic metres per second (110 cu ft/s) relies immediately upon precipitation, and is subject to marked seasonal variations.

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