The organisation named Communauté de Communes des Trois Rivières is a group of municipalities in the department of the Aisne, in Hauts-de-France. The total population of this intermunicipal organisation is 21297 inhabitants, spread across a surface area of 349.21 km². The population density is 49 inhabitants/km². The altitude varies between 132 metres and 295 metres. The Communauté de Communes des Trois Rivières public intermunicipal cooperation establishment comprises the 26 municipalities listed below.