Thon (river)

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Country France
Physical characteristics
Main source 273 m (896 ft)
River mouth Oise
Length 56.3 km (35.0 mi)
Basin features
Progression OiseSeineEnglish 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]


  1. ^ Sandre (2011). "River Thon" (in French). French National Service for Water Data and Common Repositories Management. Retrieved 16 June 2013. 

Coordinates: 49°53′N 3°55′E / 49.883°N 3.917°E / 49.883; 3.917