Erro (river)

Erro
Erro
Location
Country	Italy
Physical characteristics
Source
• location	Monte Ermetta
Mouth
• location	Bormida at Terzo (AL)
• coordinates	44°39′52″N 8°25′47″E / 44.6645°N 8.4297°E
• elevation	222 m (728 ft)
Length	46.5 km (28.9 mi)
Basin size	246.9 km2 (95.3 sq mi)
Discharge
• average	4.6 m3/s (160 cu ft/s)
Basin features
Progression	Bormida→ Tanaro→ Po→ Adriatic Sea

The Erro (in Piedmontese Er) is a 46-kilometre (29 mi) torrent of north-west Italy, a right tributary of the Bormida.

Geography

The river rises in the Ligurian Province of Savona at an elevation 1,267 metres (4,157 ft) on Monte Ermetta, to the west of Monte Beigua. Having passed through the territory of Sassello, the river enters the Piedmontese Province of Alessandria at Ponte Erro (Malvicino). Its course takes it past Cartosio, Rivere, Castelletto d'Erro, Arzello, and Melazzo before joining the Bormida at Terzo, a little upstream from Acqui Terme at an elevation of 222 metres (728 ft).

The initial version of this article was a translation from it:Erro (torrente), its counterpart in the Italian Wikipedia.

^ AA.VV. "Elaborato I.c/5". Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini idrografici (PDF) (in Italian). Regione Piemonte. Archived from the original (PDF) on 2012-02-25. Retrieved 2016-07-25.
^ ^a ^b AA.VV. "Elaborato I.c/7". Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini idrografici (PDF) (in Italian). Regione Piemonte. Archived from the original (PDF) on 2016-03-03. Retrieved 2016-07-25.

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