Ognon (Franche-Comté)

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Ognon
The Ognon near Lure.
The Ognon near Lure.
Origin Vosges mountains
Mouth Saône
Basin countries France
Length 215 km
Source elevation ±900 m
Avg. discharge 36 m³/s
Basin area 2,075 km²

The Ognon is a river of eastern France. It is a left tributary of the Saône, which it joins in Pontailler-sur-Saône. Its source is in the Vosges mountains near the Ballon d'Alsace.

The Ognon flows through the following départements and towns: