Trivia: Scientists think the Grand Canyon is at least how old?
250,000 years
6 million years
300 million years
2 billion years
The correct answer is 6 million years
So why is this answer correct? : The widely accepted age of the Grand Canyon is around 6 million years old. However, that has been met with some scientific debate — a study conducted in 2012 revealed that the canyon could date back to the time when dinosaurs roamed the earth, around 60 to 70 million years ago. These claims have been met with controversy, and some speculate that the canyon could have been formed in pieces.