Germany has a population of 81.7 million people and its capital city is Berlin. The Rhine River runs for over 1,232 kilometres through Germany and is an important part of the country's economy, with many large cities located along its banks. The Black Forest region is a mountainous wooded area bordered by the Rhine River, known for skiing and Black Forest cake. The Bavarian Alps along Germany's southern border are part of the European Alps and contain the country's highest point, the 2,963 meter Zugspitze peak.