The Communauté de communes des 4 rivières is a communauté de communes in the Seine-Maritime and Eure départements and in the Normandy région of France. It was formed on 1 January 2017 by the merger of the former Communauté de communes du Bray-Normand, Communauté de communes du Canton de Forges-les-Eaux and Communauté de communes des Monts et de l'Andelle on 1 January 2017. It consists of 53 communes (of which 1 in Eure), and its seat is in Gournay-en-Bray. Its area is 607.3 km2, and its population was 29,270 in 2019.