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Mauna Loa Observatory, Hilo

(4.3/5 based on 90+ reviews on the web)
Mauna Loa Observatory is located in Hilo. Plan to visit Mauna Loa Observatory and other customer-reviewed, writer-recommended Hilo attractions using our Hilo holiday planner.
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Reviews
TripAdvisor
  • MLO benniner on the north side of Mauna Loa and is 3397 metres above sea level. Nice view over the Valley, and one can see Mauna Kea. You can hike up to the top, but Mauna Loa trail is not the best and it takes a whole day to walk it.
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  • long winding drive on poorly maintained road to reach observation area and found view that was less rewarding than what you will find at other locations. if you're into extreme hiking, there's a trail...  more »
  • Mauna Kea is where tours take you to the multiple observatory area. Mauna Loa is a paved one lane, 20 MPH access road to a weather obsevatory. I took the drive just to do it. It's a good condition rol...  more »
Google
  • Thank you for letting us know about the status of CO2 in our atmosphere!
  • Fantastic!
  • Salah Shahade
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