Lake Roosevelt is a large reservoir located in the state of Washington, created by the Grand Coulee Dam on the Columbia River. It stretches approximately 150 miles and covers over 125,000 acres, making it one of the largest lakes in the United States. The lake is known for its scenic beauty, surrounded by mountains and forests, and serves as a popular destination for outdoor activities. The lake supports various recreational opportunities, including boating, fishing, and camping. It is home to diverse wildlife and offers habitats for numerous species. Additionally, Lake Roosevelt plays a crucial role in hydroelectric power generation and irrigation for the surrounding agricultural areas.