Lac Léman, also known as Lake Geneva, is a large freshwater lake located on the border between Switzerland and France. It is one of the largest lakes in Western Europe, covering an area of approximately 580 square kilometers. The lake is shaped like a crescent and is surrounded by picturesque towns, including Geneva and Montreux. The lake is fed by several rivers, with the Rhone being the most significant. It is known for its stunning views, recreational activities, and diverse ecosystems. Lac Léman is also a popular destination for tourists, offering opportunities for sailing, swimming, and hiking along its scenic shores.