Orneau

The Orneau (French pronunciation: [ɔʁno]; Walloon: Ôrnô) is a river in Belgium. It is a tributary of the Sambre and therefore sub-tributary of the Meuse.

Orneau Ôrnô
The Orneau flowing through Mazy
Location
Country	Belgium
Physical characteristics
Source
• location	près de Meux
Mouth
• location	Jemeppe-sur-Sambre
• coordinates	50°26′58″N 4°40′45″E
Basin features
Progression	Sambre
River system	Meuse

The Orneau flows from north to south, through the province of Namur, and after a journey of about 25 kilometres (16 mi), it flows into the Sambre at Jemeppe-sur-Sambre.