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Hiking trails & Routes

Hawaiʻi County

Mauna Loa Observatory loop from Mauna Loa Observatory

Hiking trails & Routes

Hawaiʻi County

Mauna Loa Observatory loop from Mauna Loa Observatory

Moderate

5.0

(2)

11

hikers

Mauna Loa Observatory loop from Mauna Loa Observatory

04:02

12.3km

600m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 27, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Mauna Loa Wilderness

Waypoints

A

Start point

Parking

Get Directions

1

19 m

Mauna Loa Observatory

Highlight • Monument

The Mauna Loa Observatory deals with atmospheric change, and according to NOAA (the National Oceanic and Atmospheric Administration) it is the oldest CO2 monitoring station in the world. The observatory …

Tip by

2

6.02 km

Pit Toilet in Mauna Loa Wilderness

Highlight • Rest Area

Pit toilets are common on some trails in the park due since the volcanic surface renders other methods of plumbing and sewage removal nonviable. Indeed, residential Hawai'i faces challenges related to waste management and waste pollution.

Tip by

B

12.3 km

End point

Parking

Way Types & Surfaces

Way Types

9.93 km

2.38 km

< 100 m

Surfaces

12.3 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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