Max elevation: 7010 ft / 2137 m Min elevation: 1073 ft / 327 m Elevation change: 5936 ft / 1809 m
Max grade: 7.8% Min grade: -11.3% Steepness score: 69 + 1130 + 9741 + 5 = 10945
Distance: 145.51 mi / 234.17 km Travel Time: 2 hours 17 mins
Difficulty
% Grade
Easiest
<5%
Easy
5-10%
Moderate
10-15%
Difficult
15-20%
Very Difficult
>20%
It looks like one possible route that might be flatter would be to go through Eugene, but make sure you double check everything if you're planning a road trip.
Elevation data comes from different sources and may not reflect true
driving conditions, so talk to other RVers if you're concerned about
steep grades. If you're planning to drive in the winter and you want to avoid snow, check the road conditions from Phoenix to Flagstaff. You can also view a 3-D map of Phoenix elevation or Flagstaff elevation.
Flattest Route x
These are some of the possible roads along this route. Use the GPS in your car to verify all driving directions. If you're looking for campgrounds along the way, search for RV parks between Phoenix and Flagstaff.