Snow Terrain of Manitoba Near Nelson River, Canada56.5N 94W
The Nelson River seems to create a dividing line between the snow-covered landscape to the north and the snow-free terrain to the south. It is a river of north-central North America, in the Canadian province of Manitoba.
The Nelson River has a full length is 2575 km (1600 mile), has mean discharge of 2370 m3/s (3100 yd3/s), and a drainage basin of 982900 km2 (379500 sq. mile), of which 180000 km2 is in the United States. The river drains Lake Winnipeg and runs 644 km (400 mile) before it ends in Hudson Bay.
The river flows through the Canadian Shield out of Playgreen Lake at the northern tip of Lake Winnipeg, and flows through Cross Lake, Sipiwesk Lake, Split Lake and Stephens Lake.
The river flows into Hudson Bay at Port Nelson, just north of the Hayes River and York Factory. It has a flow at its mouth of 2066 m3/s.
Since it drains Lake Winnipeg, it is the last part of the large Saskatchewan River system, as well as that of the Red River and Winnipeg River. Besides Lake Winnipeg, its primary tributaries include the Grass River, which drains a long area north of Lake Winnipeg, and the Burntwood River, which passes through Thompson, Manitoba.