Lake Vättern is the second-largest lake in Sweden, covering an area of approximately 1,912 square kilometers. It is located in the southern part of the country and is known for its clear, cold waters. The lake is surrounded by picturesque towns and forests, making it a popular destination for outdoor activities such as fishing, boating, and hiking. The lake has a maximum depth of about 128 meters, which contributes to its unique ecosystem. Lake Vättern is home to several fish species, including trout and pike. Its pristine environment is also important for local wildlife, providing habitats for various birds and other animals.