How did erosion form the Grand Canyon How long did it take?

Erosion formed the Grand Canyon primarily through the combined effects of water, wind, and ice over millions of years. The Colorado River has been the main force, cutting through rock layers and deepening the canyon while rainwater and tributary streams contributed to the erosion process. While the canyon's formation began around 5 to 6 million years ago, the geological processes that shaped the region date back over 2 billion years. Overall, it is a result of both erosional forces and geological uplift over an extensive period.