Related: These clues suggest that Hells Canyon formed when water diverted from Lake Idaho into the current route of the gorge to form what's now the Snake River. The lake may have spilled over ...

Credit: X-Weinzar, CC BY-SA 2.5 North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new addition to the Earth's ancient landscape.

Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing.

Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing.

Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing.

The awe-inspiring Hells Canyon runs along the border of Idaho and Oregon in the United States. Ten miles wide and about 2,400 metres deep, it is North America’s deepest river gorge (pictured ...

Hells Canyon, meanwhile, is the deepest river gorge in North America, forming the border between Idaho and Oregon.

Pant's return to full action will raise alarm bells in the Australian camp as they gear up for the five-Test Border-Gavaskar Trophy series starting on November 22. "He's a ripping bloke.