| Avre | |
|---|---|
| Origin | Amy, Oise |
| Mouth | Somme |
| Basin countries | France |
| Length | 66 km |
| Source elevation | 280m |
| Avg. discharge | 5.1 m³/s |
| Basin area | 1150 km² |
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 joing at Braches and the Luce river at Berteaucourt-les-Thennes.