Avre (Somme)

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Avre à La Neuville Sire Bernard - C.JPG
Country France
Main source Amy, Oise
280 m (920 ft)
River mouth Somme
49°53′0″N 2°20′25″E / 49.88333°N 2.34028°E / 49.88333; 2.34028Coordinates: 49°53′0″N 2°20′25″E / 49.88333°N 2.34028°E / 49.88333; 2.34028
Progression SommeEnglish Channel
Basin size 1,150 km2 (440 sq mi)
Physical characteristics
Length 66 km (41 mi)
  • Average rate:
    5.1 m3/s (180 cu ft/s)

The Avre is a river in Picardie and is the principal tributary, from the left side, of the Somme. At 66 kilometres long, it drains a relatively important basin of 1,150 km² but only flows at best 5,1 m³/s near its confluence at Longueau.[1]
Its principal tributaries are: the Noye, joining at Boves, the Trois Doms joining at Pierrepont-sur-Avre, the Brache joining at Braches and the Luce at Berteaucourt-les-Thennes.