Arroscia
Location
Country	Italy
Physical characteristics
Source
• location	near Mendatica
Mouth	Centa
• coordinates	44°03′13″N 8°11′15″E / 44.05361°N 8.18750°E / 44.05361; 8.18750
• elevation	5 m (16 ft)[1]
Length	36.5[2]
Basin size	289 km2 (112 sq mi)
Discharge
• average	4.02 m3/s (142 cu ft/s)[3]
Basin features
Progression	Centa→ Ligurian Sea

The Arroscia is an Italian river in the provinces of Imperia.^[4] and Savona.

Geography

The river rises from monte Frontè, in the comune of Mendatica, not far from the French border. The Arroscia flows east and receives several tributaries. It then joins the Neva and forms with it the Centa, one of the most relevant rivers of western Liguria. The Arroscia has a basin of 289 km² (112 sq mi).^[5]

Main tributaries

• Right hand:
  • rio Ponte,
  • rio Ravinasso,
  • rio Rocchino,
  • torrente Giara di Rezzo,
  • rio Bottasso,
  • rio Ubaga.
  • torrente Lerrone.
• Left hand:
  • rio Gropin,
  • dei Laghi,
  • rio Brignola,
  • rio Teglia,
  • torrente Arogna,
  • rio Varasce,
  • rio Cornareo.
  • rio Parone,
  • rio Merco.