Flash Flooding in Grand Canyon Leaves More Than 20 People Missing The Grand Canyon is one of the most breathtaking natural wonders in the United States, attracting millions of visitors each year.
However, its unique geography makes it prone to devastating flash flooding that can catch even seasoned hikers and explorers off guard.
Understanding the Flash Flood Risk in Grand Canyon The Colorado Plateau, which includes the Grand Canyon, has been shaped over millions of years by erosion from the relentless forces of wind and water.