| Rognon | |
|---|---|
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| Location | |
| Country | France |
| Physical characteristics | |
| Mouth | Marne |
• location | Mussey-sur-Marne |
• coordinates | 48°22′33″N 5°09′41″E / 48.3757°N 5.1614°E |
| Length | 73 km (45 mi) |
| Basin features | |
| Progression | Marne→ Seine→ English Channel |
The Rognon (French pronunciation: [ʁɔɲɔ̃] ) is a 73 km long river in France, right tributary of the Marne.[1] Its source is near the village Is-en-Bassigny. It flows generally northwest, through the department of Haute-Marne. The Rognon flows into the Marne at Mussey-sur-Marne, south of Joinville. Its largest tributary is the Sueurre.