The important rivers are the Charente and its tributaries, the Boutonne and the Seugne, along with the Sèvre Niortaise, the Seudre, and the Garonne, in its downstream part, which is the estuary of the Gironde.
== Zgodovina ==Prvotni departma "Charente-Inférieure" je bil ustanovljen v času francoske revolucije 4. marca 1790 iz delov provinc Aunis in Saintonge.