Devils Lake is a small lake in Lincoln County, Oregon, United States, along the Oregon Coast. It separates the northern part of Lincoln City from the Central Oregon Coast Range. It is 1/3rd of a mile wide, three miles (5 km) long, and up to 21 feet (6.4 m) deep. The D River flows from the lake westward to the Pacific Ocean. At 120 feet (37 m), it is the world's shortest river.