As its name suggests, this region of the fertile upper basin of the Po river lies in the foothills between the Appenines and the Alps at the French and Swiss borders.
The Po river does not reach the foothills of the Alps.
mnli hypothesis: The Po river does not reach the foothills of the Alps. premise: As its name suggests, this region of the fertile upper basin of the Po river lies in the foothills between the Appenines and the Alps at the French and Swiss borders.