Lake Montbel is a large artificial lake located in the Ariège department of France. Created in the 1970s, it serves multiple purposes, including hydroelectric power generation, irrigation, and recreational activities. The lake covers an area of approximately 1,200 hectares and is surrounded by beautiful landscapes, making it a popular destination for nature lovers. The lake is also known for its diverse wildlife and offers various outdoor activities such as fishing, sailing, and hiking. Visitors can explore the scenic trails around the lake and enjoy the tranquil environment. Nearby, the Montbel Castle adds historical interest to the area, enhancing the overall experience for tourists.