Large river flowing from lake Winnipeg into Hudson bay?

The large river flowing from Lake Winnipeg into Hudson Bay is the Nelson River. It is approximately 500 kilometers (310 miles) long and serves as a crucial waterway in northern Manitoba, Canada. The river plays an essential role in the region's ecology and economy, supporting hydroelectric power generation and serving as a habitat for various wildlife species. Its waters ultimately contribute to the vast Hudson Bay, significantly influencing the local environment.