These streams became known as the blue Nile and the White Nile, and by 1618, Spanish missionaries had finally discovered the source of the blue Nile down at lake tana in the highlands of Ethiopia.

这些溪流被称为蓝尼罗河和白尼罗河，到 1618 年，西班牙传教士终于在埃塞俄比亚高地的塔纳湖发现了蓝尼罗河的源头。