| Longeau | |
|---|---|
 | |
   | |
| Location | |
| Country | France |
| Physical characteristics | |
| Source | |
| • location | Hannonville-sous-les-Côtes |
| • coordinates | 49°01′16″N 5°38′10″E / 49.0212°N 5.636°E / 49.0212; 5.636 |
| Mouth | |
• location | Yron |
• coordinates | 49°08′52″N 5°51′28″E / 49.1477°N 5.8578°E / 49.1477; 5.8578 |
| Length | 37.5 km (23.3 mi) |
Basin size | 213 km2 (82 mi2) |
| Basin features | |
| Progression | Yron→ Orne→ Rhine→ North Sea |
The Longeau (French pronunciation: [lɔ̃ʒo]) is a 37.5-kilometre (23.3 mi) long river in the Grand Est of northeastern France.[1] It rises in Hannonville-sous-les-Côtes and runs generally northeast to join the river Yron at Jarny.