長阿含經 30.p102

30.p102

“The Gaṅgā River flows from a cow’s mouth, going east from Lake Anavatapta. Five hundred rivers join it as it flows to the eastern ocean. The Sindhu River flows from a lion’s mouth, going south from Lake Anavatapta. Five hundred rivers join it as it flows to the southern ocean. The Vakṣu River flows from a horse’s mouth, going west from Lake Anavatapta. Five hundred rivers join it as it flows to the western ocean. The Sita River flows from an elephant’s mouth, going north from Lake Anavatapta. Five hundred rivers join it as it flows to the northern ocean.