Why does the Nile river flow backwards?

Currently voted the best answer.

The Nile flows north because north is downhill. Rivers flow “downhill” to sea level (generally speaking; some end in other bodies of water or join another rver). They flow with gravity from a higher elevation to a lower.

What are the 11 countries that the river Nile flows through?

The longest river in the world, the Nile spans 35 degrees of latitude, drains three million square kilometers of land (one-tenth of the total surface area of Africa), and runs through 11 countries whose combined population totals over 300 million people: Egypt, Ethiopia, Eritrea, Kenya, Rwanda, Burundi, Tanzania, …