0.0 star · Extra Difficult Loop

Mauna Loa Summit via Observatory Trail

Hawaiʻi County, Hawaii

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Trail length

20.5 km

Time

~1 day 0 hrs

Elevation Gain

832 m

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"An epic challenge to remember from the heart of Hawaiʻi County"

The Mauna Loa Summit via Observatory Trail is a 20.5 km looped trail that starts and ends in , Hawaiʻi County, Hawaii. Based on our data, the trail is graded as Extra Difficult. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.

This trail can be completed in approx 2 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.