The Lek River is a significant waterway in the Netherlands, flowing through the provinces of Utrecht and Gelderland. It is a distributary of the Rhine River, which means it branches off from the main river. The Lek River is approximately 100 kilometers long and plays an essential role in local drainage and navigation. The river is known for its scenic landscapes and is surrounded by charming towns and villages, such as Vianen and Culemborg. It also serves as a habitat for various wildlife species, making it an important ecological area. The Lek River is popular for recreational activities like boating and fishing.