Lac de Joux is a picturesque lake located in the Vaud region of Switzerland. Nestled in the Jura Mountains, it is the largest lake in the region, covering an area of approximately 8.5 square kilometers. The lake is known for its stunning natural beauty, surrounded by lush forests and rolling hills, making it a popular destination for outdoor activities. The lake is also significant for its recreational opportunities, including swimming, sailing, and fishing. In winter, the area transforms into a hub for cross-country skiing and snowshoeing. The charming villages around the lake, such as Le Brassus and L'Orient, offer visitors a glimpse of local culture and history.