Photos are in order from bottom of climb to the top.  Also, much thanks to author/cyclist  Ron Hawks for his photo contributions to this page.

Hover cursor over segment slices, below, for exact  grade of a particular segment. Map route (bottom) colors correlate with elevation legend colors.

Note:  Click on “View full route" (top left) which opens the Mauna Loa RideWithGPS page.  Hover over the distance line at the spot you would like to begin a sub-segment for this climb.  Click your mouse on the start point and drag the vertical graphing line the distance you wish to obtain sub-detail from, then release the mouse at the end point.  This will give you the following sub-detail for the selected segment in the “Metrics” window top right of the page:  (a) distance, (b) Elevation gained and lost, (c) max grade, (d) average grade (e) that segment's climb category – e.g. Cat 1, HC, etc., and (f) FIETS score for the segment.

START(click and drag map)


Cycling Hawaii: Mauna Loa


  • Distance:                              45.2              

  • Beginning elevation:            4'

  • Ending elevation:                11,008

  • Average Grade:                  4.4%

  • Fiets Index:                         17.83
  • Location:  Climb begins in Hilo, HI at the intersection of Hwy 19 and Waianuenue Avenue ( 19.72679, -155.0866 latitude/longitude) 5 miles from Hilo International Airport and 91 miles (1:52 hours) from Kona International on the west side of the island.

Background photo - U.S. #5 Pikes Peak CO.