Dora Baltea

Dora Baltea or Doire Baltée (Latin: Duria maior or Duria Bautica;^[3] Valdôtain dialect: Djouire; Piemontes: Deura Bàotia), is a river in northern Italy. It is a left-hand tributary of the Po River, and is about 168.3 km (104.6 mi) long.^[4]

Dora Baltea Duère Baltèa (Arpitan) Djouiye (Arpitan) Deura Bàotia (Piedmontese) Doire Baltée
The river near Rondissone
Dora Baltea location
Location
Country	Italy
Physical characteristics
Source
- location	Entrèves near Courmayeur
- elevation	1,400 m (4,600 ft)
Mouth
- location	Po near Crescentino
- coordinates	45.1804°N 8.0477°E / 45.1804; 8.0477
Length	168.3 km (105 mi)[1]
Basin size	3,890.52 km2 (1,502 sq mi)[2]
Discharge
- average	(mouth) 96.0 m3/s (3,390 cu ft/s)[2]
Basin features
Progression	Po→ Adriatic Sea
Tributaries
- left	Buthier, Saint-Barthélemy, Marmore, Évançon, Lys
- right	Doire de Verney, Savara, Grand'Eyvia, Chalamy, Ayasse, Chiusella

Geography

Dora Baltea is formed on the Mont Blanc massif by the confluence, near Entrèves, of two small rivers: Dora di Ferret, that comes from the Pré de Bar Glacier in Val Ferret; and Dora di Veny, that comes from the Miage Glacier in Val Veny.

The river at Ivrea

As it crosses the Aosta Valley, the Dora Baltea flows through the city of Aosta (where the Buthier, a small river, runs into it) and near all the main cities of the lower Aosta Valley: Châtillon, Saint-Vincent, Verrès and Pont-Saint-Martin. After it enters the Piedmont region, it passes through the city of Ivrea and a good part of Canavese, gets from its right hand the waters of the Chiusella and reaches the Po at Crescentino.

The watershed has an area of 3,890.52 km² (1,502.14 sq mi),^[5] and its discharge (volume of water which passes through a section of the river per unit of time) is 96 cubic metres per second when it gets to the Po river.^[5]

Tributaries

The main tributaries of the Dora Baltea are (beginning at the source):

• In Valle d'Aosta
  • Dora di Verney
  • Dora di Valgrisenche
  • Dora di Rhêmes
  • Savara
  • Grand Eyvia
  • Buthier
  • Saint-Barthélemy
  • Marmore
  • Evançon
  • Ayasse
  • Lys
• In the Piedmont
  • Chiusella

Discharge

The mean monthly discharges (in m³) for the years 1951-1991 in the confluence with the Po river were:^[6]

44.6	40.8	53.5	85.1	175.8	223.9	154.2	98.2	81.8	75.3	68.6	49.7
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dic

Sports

Dora Baltea is a popular place for the practice of sports like canoeing, kayaking and similar water sports.