Lake Winnipeg in this province is the largest body of water entirely within any Canadian province
... Great 
Bear Lake is the largest lake entirely within Canada; the third largest in... [DOC] [TLE] North America Lakes - Lakes 11 - 20 in North America - Lakepedia [PAR] Lake Winnipeg is located on the boundary between the low-relief Inferior Plains 
and ... Lake Nipigon is the largest lake lying entirely within the boundaries of 
Ontario Province, Canada.