The Sambre is a river in western Europe, primarily flowing through France and Belgium. It is approximately 200 kilometers long and is a tributary of the Meuse River. The Sambre is known for its scenic landscapes and historical significance, as it has been a vital waterway for trade and transportation since ancient times. The river passes through several towns, including Charleroi and Namur, and is part of a larger network of canals and rivers that facilitate navigation. The Sambre also supports local ecosystems and recreational activities, making it an important natural resource for the surrounding communities.