Ganges

geographical name

Gan·​ges ˈgan-ˌjēz 

river 1550 miles (2494 kilometers) long in northern India flowing from the Himalayas southeast and east to unite with the Brahmaputra River and empty into the Bay of Bengal through the vast Ganges Delta in Bangladesh and India see hugli

Note: The Ganges is the sacred river of Hinduism.

Gangetic

gan-ˈje-tik 

adjective