Nervia

Nervia
The river at its mouth
Basin
Main source	Monte Pietravecchia
Source elevation	1,900 m (6,200 ft)
River mouth	Ligurian Sea between Ventimiglia and Vallecrosia, Italy 43°47′03″N 7°37′47″E / 43.78417°N 7.62972°ECoordinates: 43°47′03″N 7°37′47″E / 43.78417°N 7.62972°E 0
Watershed area	195 km^2 (75 sq mi)[1]
Countries	Italy, France
Physiognomy
Length	28.3 km (17.6 mi)[1]
Avg. discharge	2.64 m^3/s (93 cu ft/s)[2]

The Nervia is a 28.3-kilometre (17.6 mi) stream of Liguria (Italy).

Geography

The river rises near Monte Pietravecchia, in the Ligurian Alps, and flows through the Valle Nervia mainly heading south. It passes through the communes of Pigna and Isolabona; around one km before Dolceacqua it receives from right the Barbaira, its most important tributary. After Camporosso and enters the Ligurian Sea between Ventimiglia and Vallecrosia.

Nervia basin (195 km2) is almost totally included in the Province of Imperia, besides 3.5 km2 belonging to France and located in its upper part.^[1]

Main tributaries

Middle age's bridge on the Nervia in Dolceacqua.

• Left hand:
  • rio Ubago,
  • rio Gordale,
  • rio Bonda,
  • rio Toca,
  • rio Merdanzo (which from Apricale flows down to the Nervia, reachng it near Isolabona),
  • rio Peitavino or Vallone degli Orti (flowing in the Nervia at Dolceacqua).

• Right hand:
  • rio dei Rugli,
  • rio Muratone,
  • rio Altomoro,
  • rio Marcora,
  • rio Papeira,
  • torrente Barbaira.

Nature conservation

The mouth of the Nervia and its surrounding area are included in a SIC (Site of Community Importance) of around 44 ha called Torrente Nervia (code IT1315719); Monte Pietravecchia too, at the sources of the stream, is included in a SIC called Monte Toraggio - Monte Pietravecchia (cod. IT1315421).^[3]

References

1. (Italian)BACINO DEL NERVIA, Provincia di Imperia, on-line in pdf: (access: 2015-05-08)
2. (Italian)Portate (mc) NERVIA a Isolabona, dati APAT 1929-1960, on-line su simn/dati/alov_portate (access: 2015-05-08)
3. "I siti in provincia di Imperia". www.ambienteinliguria.it (in Italian). Provincia di Imperia administration. Retrieved May 9, 2015.

External links

Media related to Nervia at Wikimedia Commons

• (Italian) La foce e il canneto, visit to the mouth of the Nervia; Provincia di Imperia site biodiversita.provincia.imperia.it