The Lawashi Channel is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in Kenora District

Kenora District, Ontario

Kenora District is a district and census division in Northwestern Ontario, Canada. It was created in 1907 from parts of Rainy River District. It is, geographically, the largest division in that province; at 407,192.66 km2 it comprises almost 38 percent of the province's land area...

 in northwestern

Northwestern Ontario

Northwestern Ontario is the region within the Canadian province of Ontario which lies north and west of Lake Superior, and west of Hudson Bay and James Bay. It includes most of subarctic Ontario. Its western boundary is the Canadian province of Manitoba, which disputed Ontario's claim to the...

 Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

.

Course

The river is in the Hudson Bay Lowlands

Hudson Bay Lowlands

The Hudson Bay Lowlands is a large, poorly drained piece of wetlands wedged between the Canadian Shield and southern shores of Hudson Bay and James Bay. Many wide and slow-moving rivers flow through this area toward the salt water of Hudson Bay. Mosquitoes and black flies thrive here. This is a...

 and is part of the James Bay

James Bay

James Bay is a large body of water on the southern end of Hudson Bay in Canada. Both bodies of water extend from the Arctic Ocean. James Bay borders the provinces of Quebec and Ontario; islands within the bay are part of Nunavut...

 drainage basin

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

. The Lawashi Channel is an outlet from the Attawapiskat River

Attawapiskat River

The Attawapiskat River is a river in Kenora District in northwestern Ontario, Canada that flows east from Attawapiskat Lake to James Bay.-Course:The Attawapiskat River travels a distance of , and has a drainage area of ....

and travels 75 kilometres (47 mi) to the Lawashi River, at a point 8.5 kilometres (5.3 mi) upstream of that river’s mouth at James Bay. The mouth of the Lawashi River is approximately 11 kilometres (7 mi) southeast of the mouth of the Attawapiskat.