The water catchment area of the Astico river, from its sources (in the Autonomous Province of Trento and in the Province of Vicenza (Veneto Region) to the dam near the Pedescala bridge in the Province of Vicenza.
Astico jõe valgla alates lähtest (Trento autonoomses provintsis ja Veneto piirkonna Vicenza provintsis) kuni Vicenza provintsis asuva Pedescala silla lähedal asuva tammini.