The Omignon is a 32 km long French river in the departments of Aisne and Somme, in the former Picardy region, integrated into that of Hauts-de-France, and a right tributary of the Somme.
The Omignon is a 32 km long French river in the departments of Aisne and Somme, in the former Picardy region, integrated into that of Hauts-de-France, and a right tributary of the Somme.