Roya
Roia, Roja
The river at Ventimiglia
Location
CountriesFrance and Italy
Physical characteristics
Source 
  locationColle di Tenda near Tende, France.
  elevation1,908 m (6,260 ft)
Mouth 
  location
Ligurian Sea at Ventimiglia, Italy
  coordinates
43°47′17″N 7°36′22″E / 43.78806°N 7.60611°E / 43.78806; 7.60611
  elevation
0 m (0 ft)
Length59 km (37 mi)
Basin size660 km2 (250 sq mi)
Discharge 
  average15 m3/s (530 cu ft/s)

The Roya (French, [ʁwaja]), Roia (Italian), or Ròia (Brigasc, Occitan) is a river of France and Italy, discharging into the Ligurian Sea. It is 59 km (37 mi) long, of which 40.1 km (24.9 mi) in France.[1] Its drainage basin is about 660 km2 (250 sq mi), of which 601 km2 (232 sq mi) in France.[2]

The Italian city of Ventimiglia on the French border and its river, the Roya

River course

The river rises in French territory near the Col de Tende and flows through the Mercantour National Park. The river passes through the communes of Tende, Saorge, Breil-sur-Roya, La Brigue, before entering Italy in the commune of Olivetta San Michele. The remainder of its course remains within the province of Imperia and, after crossing Airole the river enters the sea at Ventimiglia.[3]

Its main tributaries are the Lévensa, the Bévéra, the Bendola, the Réfréi and the Maglia.

References

  1. Sandre. "Fiche cours d'eau - La Roya (Y66-0400)".
  2. Bassin versant : Roya (La), Observatoire Régional Eau et Milieux Aquatiques en PACA
  3. The Times (1985), Atlas of the World: Comprehensive Edition, Times Books, Plate 78 (C7).
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