Lake Neuchâtel is the largest lake located entirely within Switzerland. It spans approximately 218 square kilometers and is situated in the western part of the country, near the city of Neuchâtel. The lake is known for its clear blue waters and beautiful surrounding landscapes, including the Jura Mountains to the north. The lake is a popular destination for various recreational activities, such as swimming, sailing, and fishing. It is also home to diverse wildlife, including several species of birds and fish. The region around Lake Neuchâtel offers picturesque views and charming towns, making it a favored spot for both locals and tourists.