Is the Grand Canyon the oldest canyon?

No one knows for sure how long it has taken the Grand Canyon to form (est anywhere 5-17 million years) But the park itself was established in 1919. There are many canyons that the the Colorado River...

That is what the people named it. They noticed the canyon as being rather large and bigger than any other canyon they had seen, so they named it the Grand Canyon.

At one time there were mountains as tall as Mt Everest. The Geologists know this from the rocks the bottom of the canyon known as Vishnu Schist.The geologist learn about these rocks with new machines...

by million years of erosion.

Grand Canyon got its name because it is one of the biggest canyons in the world.