Elevation from Portsmouth (New Hampshire) to Lowell (Massachusetts) via
Max elevation: 190 ft / 58 m Min elevation: 15 ft / 4 m Elevation change: 175 ft / 53 m
Max grade: 7.7% Min grade: -6.5% Steepness score: 2 + 769 + 7461 + 2 = 8234
Distance: 48.26 mi / 77.67 km Travel Time: 52 mins
Difficulty
% Grade
Easiest
<5%
Easy
5-10%
Moderate
10-15%
Difficult
15-20%
Very Difficult
>20%
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.