Great Whale River flows through this lake on its way to Hudson Bay.

The Hayes River flows to Hudson Bay.

The Lake Agassiz area watershed now feeds the Red River of the North which flows north, ultimately to Hudson Bay.

The major inflow, from the south, and outflow, at the east, is the Sachigo River, which flows via the Severn River to Hudson Bay.

The Sand River enters the Beaver River and flows to Hudson Bay through the Churchill system.

It is the source of Beaver River (Canada) whose waters flow east to Hudson Bay.

The Owl River flows to Hudson Bay.

It continues northeast to reach its mouth at the Severn River, which flows to Hudson Bay.

The primary outflow is the Winisk River at the north, which flows to Hudson Bay.

The Gods River flows via the Hayes River to Hudson Bay.