The depth of the canyon varies. However the acceleration due to gravity is approximately 9.8 metres per second squared. So it would not take too long.
Perhaps as long as 17 million years.
It is 277 river miles.
The canyon is 277 miles long.
It ranges from 4 to 18 miles.
The Grand Canyon is 277 miles long.
It is 277 miles,
It takes of years for a canyon to form.
About 4 hours!
6 minutes
It would take 1 hour and 51 minutes.
The exact figure depends on the climatic conditions: pressure, humidity etc but the canyon is 2-sound-seconds wide, which is 663 metres.
1 second it takes to go to the grand canyon
4 year
10 hours
the grand canyon is in Arizona
About a day and a half.
About 17 million years.
About 17 milllion years.
About 19.5 hours.
Check Mapquest.com
It is a 1,670 mile run.
21 hrs
About 3 and a half hours.