By Akanksha
January 17, 2026
The giant river from Egypt is said to be 30 million years old.
With a length of 6,853 km, it runs through multiple countries in Africa.
According to geologists, the river is around 6-70 million years old.
Spanning across 2,334 km, Colorado spreads to Utah, Arizona, Nevada and even California.
River so ancient you wouldn’t believe. It is said to be 300 million years old.
It has a span of 747 km and goes across Maryland, Pennsylvania, and New York.
Also over 300 million years old, the French Broad covers a distance of 351 km.
Running through from North Carolina, it spreads its wings across to Tennessee in the USA.
It is also around 320-340 million years old and runs from France to the Netherlands.
Close to 300 – 340 million years old, going from the Northern Territory to South Australia.