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Rugged and unique tour on mostly gravel, hard rock and some sandy sections.


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Map Key

37.2

Miles

59.9

KM

Doubletrack

9,658' 2,944 m

High

5,707' 1,739 m

Low

5,470' 1,667 m

Up

8,877' 2,706 m

Down

7%

Avg Grade (4°)

27%

Max Grade (15°)

Dogs Off-leash

E-Bikes Allowed

Features Commonly Bikepacked

Need to Know

Check in at trail entrance stations and have an emergency plan. There are no services.

STAY ON MARKED TRAILS! Vegetation or cinders may hide deep cracks in the ground. Use caution near cliffs, cracks, and steam vents. Falling on lava may result in severe wounds.

CARRY AND DRINK PLENTY OF WATER.

Be ready for 45F at night and 70F during the day.

Description

This road around Mauna Kea is unique. You'll have the opportunity to see owls, ground birds, volcanic calderas, silversword and multiple ecosystems including the Mauna Kea Ice Age Natural Area Reserve. It is extremely long at close to 40 miles, almost entirely Jeep road.

You can expect FULL sun 80% of the time, with possible high winds, mist, rain, incredible stars at night and, if you're lucky, maybe even snow. Cell service is not reliable and you must check in at one of the stations. Have a plan if an emergency occurs and let someone know where you're going so that you can be found.

Altitude is between 7,200' - 10,000'.

Shared By:

Sean Yarbenet

Trail Ratings

  4.0 from 3 votes

#12467

Overall
  4.0 from 3 votes
5 Star
33%
4 Star
33%
3 Star
33%
2 Star
0%
1 Star
0%
Trail Rankings

#16

in Hawaii

#12,467

Overall
36 Views Last Month
2,408 Since May 28, 2019
Intermediate/Difficult Intermediate/Difficult

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Photos

Entrance near the parking lot.
Jul 7, 2024 near Waimea, HI
Entrance from R1
Jul 7, 2024 near Waimea, HI
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Weather


Current Trail Conditions

Unknown
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