Lake Bourget is the largest natural lake in France, located in the Savoie region near the city of Aix-les-Bains. It covers an area of approximately 18.5 square kilometers and reaches a maximum depth of 145 meters. The lake is known for its clear waters and beautiful surrounding mountains, making it a popular destination for outdoor activities such as swimming, sailing, and hiking. The lake is fed by several rivers, including the Sierroz and Chéran, and is part of the Rhône river basin. It is also home to diverse wildlife, including various fish species and birds. The scenic beauty and recreational opportunities attract many visitors each year, contributing to the local tourism economy.