Major drainage areas and sub-drainage areas

This map outlines the boundaries of the 11 major drainage areas and the 164 sub-drainage areas in Canada. These drainage areas cover all the land and interior freshwater lakes of Canada.

Major drainage areas and sub-drainage areas map of Canada
Description of major drainage areas and sub-drainage areas map of Canada

This map outlines the boundaries of the 11 major drainage areas and the 164 sub-drainage areas in Canada. These drainage areas cover all the land and interior freshwater lakes of Canada.

Major drainage areas

01
Maritime Provinces
02
Canada part St. Lawrence
03
Northern Quebec and Labrador
04
Southwestern Hudson Bay
05
Nelson River
06
Western and Northern Hudson Bay
07
Great Slave Lake
08
Pacific
09
Yukon River
10
Arctic
11
Mississippi River