The Seugne river starts in the commune of Montlieu-la-Garde, near the place called Chez Bourdeau, at an elevation of about 93 m (305 ft).
It flows generally north-northwest.

The river flows through the small cities of Jonzac, subprefecture and Pons, both in the Charente-Maritime department.

After the small town of Colombiers, the river flows into the Charente river in  Les Gonds, a suburb of Saintes.

The Seugne flows through 2 arrondissements (Jonzac and Saintes), 7 cantons and 34 communes, all in the Charente-Maritime department, Nouvelle-Aquitaine region:
The river starts in the canton of Montlieu-la-Garde, flows through the cantons of Montendre, Jonzac, Saint-Genis-de-Saintonge, Pons, Gémozac and, finally, ends in the canton of Saintes-Est.

It flows through the following communes, from its starts to its confluence : Montlieu-la-Garde, Chepniers, Pouillac, Sainte-Colombe, Polignac, Chatenet, Le Pin, Sousmoulins, Mérignac, Pommiers-Moulons, Vibrac, Chaunac, Fontaines-d'Ozillac, Léoville, Saint-Médard, Champagnac, Ozillac, Jonzac, Saint-Germain-de-Lusignan, Lussac, Clion, Saint-Georges-Antignac, Mosnac, Fléac-sur-Seugne, Belluire, Pons, Bougneau, Saint-Léger, Colombiers, Montils, La Jard, Berneuil, Les Gonds, Courcoury, Saint-Sever-de-Saintonge.
The Seugne river starts in the commune of Montlieu-la-Garde, near the place called Chez Bourdeau, at an elevation of about 93 m (305 ft). It flows generally north-northwest.
The river flows through the small cities of Jonzac, subprefecture and Pons, both in the Charente-Maritime department.
After the small town of Colombiers, the river flows into the Charente river in  Les Gonds, a suburb of Saintes.
The Seugne flows through 2 arrondissements (Jonzac and Saintes), 7 cantons and 34 communes, all in the Charente-Maritime department, Nouvelle-Aquitaine region:
The river starts in the canton of Montlieu-la-Garde, flows through the cantons of Montendre, Jonzac, Saint-Genis-de-Saintonge, Pons, Gémozac and, finally, ends in the canton of Saintes-Est.
It flows through the following communes, from its starts to its confluence : Montlieu-la-Garde, Chepniers, Pouillac, Sainte-Colombe, Polignac, Chatenet, Le Pin, Sousmoulins, Mérignac, Pommiers-Moulons, Vibrac, Chaunac, Fontaines-d'Ozillac, Léoville, Saint-Médard, Champagnac, Ozillac, Jonzac, Saint-Germain-de-Lusignan, Lussac, Clion, Saint-Georges-Antignac, Mosnac, Fléac-sur-Seugne, Belluire, Pons, Bougneau, Saint-Léger, Colombiers, Montils, La Jard, Berneuil, Les Gonds, Courcoury, Saint-Sever-de-Saintonge.
Seugne