a VirtualTourist member
Mapquest shows the driving time from Bryce Canyon to Grand Canyon as 5 hours and 10 minutes. Is this accurate ? How many hours does it take to drive to all the viewing points at the south rim, stopping for 10 minutes at each place?
I found that driving through and between National Parks takes much longer than ordinary highway miles. The mountain roads can be narrow, steep or winding and slow especially if following a trailer home. So you need to factor your time so that you can visit your most important vistas before the sun set.
A large portion of the South Rim road is closed to public traffic. You have to take the free shuttles that the park provides. This will entail a little more time than if you were driving, because you will be waiting for the shuttles.
All of the distances you are asking about are very accurate. The mapping software is doing a good job of taking in the driving conditions. The area you are visiting is gorgeous but I do recommend that you concentrate your driving during the daylight hours and plan accordingly. The high desert is a lonely place at night and tends to lull people asleep behind the wheel.
The time of 5 hours and 10 minutes is correct if you only drive and not stop. You will travel through some beautiful country in Southern Utah and Northern Arizona and will more than likely find things you will want to stop and photograph like Lake Powell, Antelope Canyon, the Navajo Reservation, Cameron Trading Post. So I would give this section a bit more time.
The route you will be taking brings you in to the Grand Canyon via the East entrance - Desert View. You will also have about 4 or 5 viewpoints you will want to visit as well so I will give you my best estimate of time at each.
Desert View Watchtower - about 45min to an hour
Lipan Point - about 20 minutes
Moran Point - about 20 minutes
Grandview Point - about 40 minutes
Mather Point - - about 40 minutes
Yavapai Point - about 40 minutes
These are best guess estimates and you may opt to spend longer or shorter depending on your time. You might want to check this travel blog traveltothewwest.com for more information on the Grand Canyon South rim as well as points between Bryce and the Grand Canyon.
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