Lake Sakakawea
| Lake Sakakawea | |
|---|---|
from space, July 1996
|
|
| Location | North Dakota |
| Coordinates |
47°30′N 101°25′W / 47.50°N 101.41°WCoordinates: 47°30′N 101°25′W / 47.50°N 101.41°W at Garrison Dam |
| Lake type | Reservoir |
| Primary inflows |
Missouri River and Little Missouri River |
| Primary outflows | Missouri River |
| Catchment area | 317,400 km2 (122,500 sq mi) |
| Basin countries | United States |
| Max. length | 178 miles (286 km) |
| Surface area | 307,000 acres (480 sq mi; 1,240 km2) |
| Max. depth | 180 ft (55 m) at dam |
| Water volume | 23,800,000 acre·ft (29.4 km3) |
| Shore length1 | 1,320 miles (2,120 km) |
| Surface elevation | 1,817 ft (554 m) |
| References | |
| 1 Shore length is not a well-defined measure. | |
Lake Sakakawea is a reservoir in the north central United States, located in the Missouri River basin in central North Dakota. Named for the Shoshone-Hidatsa woman Sakakawea, it is the largest man-made lake in the state and the third largest in the nation, 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. A map centered on the Van Hook Arm 47°53′00″N 102°21′14″W / 47.88333°N 102.35389°W of the lake shows its westward extent from its origin at the Garrison Dam.
It is located about fifty miles (80 km) from the state capital of Bismarck; the distance by the Missouri River is about 75 miles (120 km). The lake averages between 2–3 miles (3–5 km) in width and is 14 miles (23 km) wide at its widest point (Van Hook Arm). Lake Sakakawea marks the maximum southwest extent of glaciation during the ice age.
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