Avre
The Avre at La Neuville-Sire-Bernard
Location
Country	France
Physical characteristics
Source
• location	Amy, Oise
• elevation	280 m (920 ft)
Mouth
• location	Somme
• coordinates	49°53′0″N 2°20′25″E / 49.88333°N 2.34028°E / 49.88333; 2.34028
Length	66 km (41 mi)
Basin size	1,150 km2 (440 sq mi)
Discharge
• average	5.1 m3/s (180 cu ft/s)
Basin features
Progression	Somme→ English Channel

The Avre (French pronunciation: [avʁ]) is a river in Picardy, France, and is the principal tributary, from the left side, of the River Somme.

At 66 kilometres (41 mi) long,^[1] it drains a relatively important basin of 1,150 km² but only flows at best 5,1 m³/s near its confluence at Longueau.^[2]
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.

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