The Alzette River is a significant waterway located in the Grand Duchy of Luxembourg. It flows for approximately 73 kilometers, starting in the northern region of the country and eventually merging with the Sauer River. The river is known for its picturesque landscapes and is an important part of the local ecosystem. The Alzette River runs through several towns, including Luxembourg City, where it has shaped the city's history and development. The riverbanks are popular for recreational activities such as walking and cycling, making it a vital resource for both residents and visitors.