The Gattola is a stream of the Basso Monferrato in north-west Italy, a left tributary of the Rotaldo

Rotaldo

The Rotaldo, known in its upper course as the Laio, is a 40 km river of northern Italy, and a right-side tributary of the Po. Most of its course falls within the Province of Alessandria; all of it within the former Province of Casale...

. In 1836 it was of sufficient importance to be listed in the Dizionario geografico, storico, statistico, commerciale degli stati di S.M. il re di Sardegna as one of the five principal torrents

Torrente

Torrente may refer to:* Torrent, Valencia, a municipality located within the metropolitan area of the city of the Spanish city Valencia* Torrente , a Parisian haute couture fashion house founded by designer Rosette Torrente-Mett in 1969; current creative director Julien Fournie* Gonzalo Torrente...

 of the still-extant Province of Casale; the others – significantly more substantial water courses – were the Rotaldo

Rotaldo

The Rotaldo, known in its upper course as the Laio, is a 40 km river of northern Italy, and a right-side tributary of the Po. Most of its course falls within the Province of Alessandria; all of it within the former Province of Casale...

, the Grana

Grana del Monferrato

The Grana del Monferrato 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...

, the Stura

Stura del Monferrato

The Stura del Monferrato is a 36.7 km 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...

 and the Versa

Versa (Tanaro)

The Versa, a left tributary of the Tanaro, is a 35 kilometre torrent in the Province of Asti in north-west Italy. It is the river of the valley called Valle Versa...

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From its sources in the region of Ozzano Monferrato

Ozzano Monferrato

Ozzano Monferrato is a comune in the Province of Alessandria in the Italian region Piedmont, located about 50 km east of Turin and about 30 km northwest of Alessandria...

 it passes through San Giorgio Monferrato

San Giorgio Monferrato

San Giorgio Monferrato is a comune of the Province of Alessandria in the Italian region Piedmont. It is about 60 km east of the regional capital Turin and about 25 km northwest of Alessandria....

 and Casale Monferrato

Casale Monferrato

Casale Monferrato, population 36,058, is a town and comune in the Piedmont region of north-west Italy, part of the province of Alessandria. It is situated about 60 km east of Turin on the right bank of the Po, where the river runs at the foot of the Montferrato hills. Beyond the river lies the...

 before joining the Rotaldo near Valmacca

Valmacca

Valmacca is a comune in the Province of Alessandria in the Italian region Piedmont, located about 70 km east of Turin and about 20 km north of Alessandria in an area of plain on the right of the Po River at the confluence of the Rotaldo and the Gattola...

. Shortly afterwards the Rotaldo itself enters the Po near Bozzole

Bozzole

Bozzole is a comune in the Province of Alessandria in the Italian region Piedmont, located about 70 km east of Turin and about 15 km north of Alessandria...

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