Grana del Monferrato

The Grana del Monferrato (to distinguish it from the Grana of the Province of Cuneo) is a small Italian river, classified as a torrente, a right tributary of the Po, which runs almost entirely in the Province of Alessandria among the hills of the Basso Monferrato which lie between the Po to the north and the Tanaro to the south. Notwithstanding its modest flow, it is the most significant Po tributary of the Basso Monferrato in terms of its length, the extent of its drainage basin and its discharge.

Grana del Monferrato
Location within southern Piedmont
Location
CountryItaly
Physical characteristics
Source 
 • locationnear Grana, Province of Asti, Piedmont
 • elevation305 m (1,001 ft)[1]
Mouth 
 • location
River Po northeast of Valenza
 • coordinates
45.0206°N 8.6678°E / 45.0206; 8.6678
 • elevation
88 m (289 ft)[1]
Length47 km (29 mi)[1]
Basin size192 km2 (74 sq mi)[1]
Discharge 
 • average2.2 m3/s (78 cu ft/s) (close to its confluence with the Po)[2]
Basin features
ProgressionPo→ Adriatic Sea

The river's course takes it through the comuni (municipalities) of Grana in the Province of Asti and Cuccaro Monferrato, Giarole, Pomaro Monferrato and Valenza in the Province of Alessandria. Its principal tributaries include the Auda and the Coda del Lupo.[1]

Notes
  1. Most statistics sourced from Autorità di bacino del fiume Po, Bacino del Torrente Grana’, Rete idrografica minore naturale di pianura,Progetto di integrazione al piano stralcio per l’Assetto Idrogeologico (PAI).
  2. Mean discharge value from Italian Wikipedia article


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