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21.0 km
~6 hrs 40 min
1482 m
Loop
The Lake Waiau and Mauna Kea is a 21.0 km looped trail that starts and ends in Hawaiʻi County, Hawaii. Based on our data, the hike is graded as 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 hike can be completed in approx 6 hrs 40 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.
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