Thun Lake, located in the Bernese Oberland region of Switzerland, is a picturesque glacial lake known for its stunning turquoise waters. It stretches approximately 24 kilometers and is surrounded by the majestic Alps, making it a popular destination for tourists and outdoor enthusiasts. The lake is fed by the Aare River and is connected to Lake Brienz. The town of Thun, situated at the western end of the lake, offers charming streets, historical buildings, and a vibrant waterfront. Visitors can enjoy various activities such as boating, swimming, and hiking along the scenic trails that line the lake's shores. The area is also rich in wildlife and natural beauty.