The river flows northeast near Mondavio, Corinaldo and Monte Porzio before the province of Ancona extends westward beyond the bank of the river for a short distance near Mondolfo.

Finally, the river flows into the Adriatic Sea north of Senigallia and south of Marotta and Fano.

[2] In Roman times the Cesano was known as Suasanus, since it passed through the city of Suasa.

Under the river's bed a petrified forest of 50,000 years ago has been discovered.

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