Lake Sakakawea
 Lake Sakakawea is a reservoir in the Missouri River basin in central North Dakota. Named for the Shoshone-Hidatsa woman Sakakawea it is the largest man-made lake in North Dakota and the third largest in the United States after Lake Mead and Lake Powell. The lake lies in parts of six counties in western North Dakota: Dunn McKenzie McLean Mercer Mountrail and Williams.