The River Sambre is a river located in northern France and southern Belgium. It is approximately 200 kilometers long and flows into the River Meuse at the city of Namur. The river is known for its scenic landscapes and historical significance, as it has been a vital waterway for trade and transportation since ancient times. The Sambre passes through several towns, including Charleroi and Maubeuge, and is part of the larger Sambre–Oise Canal system. The river's basin supports diverse ecosystems and recreational activities, making it an important natural resource for the surrounding communities.