List of rivers of Ontario

This is the list of rivers which are in and flow through Ontario.

The watershed list includes tributaries as well.

Dee River, flows between Three Mile Lake and Lake Rosseau.

Quebec rivers flowing to Ontario (or tributaries of Ontarian rivers).

In order, from east to west: (For other tributaries of Harricana River, see article List of rivers of Quebec) Rivers of Quebec flowing through Ontario (or tributaries of rivers of Ontario) Main rivers of Quebec flowing toward Ontario shores of James Bay, in order, from east to west: