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Thon | |
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Location | |
Country | France |
Physical characteristics | |
Source | |
• elevation | 273 m (896 ft) |
Mouth | |
• location | Oise |
• coordinates | 49°54′20″N 3°54′30″E / 49.9055°N 3.9084°E |
Length | 56.3 km (35.0 mi) |
Basin features | |
Progression | Oise→ Seine→ English Channel |
The Thon or Ton is a small river in northern France. It is a tributary of the river Oise, which flows into the Seine. It crosses the Ardennes and Aisne departments and is the central river of the Thiérache.[1]