wouter thats nothing.. Lake Superior is the biggest lake.
LENGTH: 350 miles / 563 km.
BREADTH: 160 miles / 257 km.
AVERAGE DEPTH: 483 ft. / 147 m.
MAXIMUM DEPTH: 1,332 ft. / 406 m.
VOLUME: 2,900 cubic miles / 12,100 cubic km.
WATER SURFACE AREA: 31,700 sq. miles / 82,100 sq. km.

i.e. who cares which one is the biggest..