What are Canadas major rivers?

The major rivers are the St. Lawrence and the Mackenzie...They are also the Yukon, and the Peace river.

Lake Erie, Lake superior, lake Huron

Here are two. You can choose one. The Mackenzie river, in the Northwest, or the St. Lawrence river, which flows through Ontario and Quebec.

Mackenzie River and Yukon River

The Yukon and the Columbia