Flowing southeast across the subcontinent, the Ganga is joined by other large rivers such as the Yamuna at Allahabad in India and then the mighty Brahmaputra in Bangladesh.
Läbi subkontinendi kagusse voolava Gangesega ühineb teisi hiigeljõgesid, näiteks Indias Allahabadi juures Yamuna ja hiljem Bangladeshis vägev Brahmaputra.