Fort Peck Reservoir is a large artificial lake located in northeastern Montana. Created by the construction of the Fort Peck Dam on the Missouri River, it spans approximately 134,000 acres and is one of the largest reservoirs in the United States. The dam was completed in 1940 and plays a crucial role in flood control, irrigation, and hydroelectric power generation. The reservoir is a popular destination for outdoor activities, including fishing, boating, and camping. It is home to various fish species, such as walleye and northern pike, making it a favored spot for anglers. The surrounding area also offers scenic views and wildlife watching opportunities.