The Siljan Ring is a large geological structure located in central Sweden. It is formed by a circular impact crater created by a meteorite collision approximately 377 million years ago. The ring has a diameter of about 52 kilometers and is characterized by its unique geological formations, including lakes, hills, and valleys. The area surrounding the Siljan Ring is rich in natural beauty and offers various outdoor activities, such as hiking and fishing. The region is also known for its cultural heritage, with several small towns and villages that celebrate local traditions and history, making it a popular destination for tourists.