A big one man!
Another name for deep gorge is canyon or ravine.
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canyon
A gorge is a deep narrow passage with steep rocky sides.
Gorge is a good word, could be a ravine.
A gorge is a deep narrow passage with steep rocky sides.
The depth of the magnitude 9.0 earthquake off the coast of Japan was calculated at 30 km (18.6 miles) by the USGS.
Cheddar Gorge is 400ft Deep And 3 Miles Long :)
the royal gorge bridge is 1,053 feet deep. Wikipedia states it's 1250 in some places
A deep gorge eroded by water is called a canyon. Canyons are typically formed over millions of years by the flowing water of rivers cutting through and gradually carving out the rock and earth to create a steep-sided valley.
canyon
A deep valley with steep sides would be called a gorge or canyon.