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United States
Honolulu County
Nanakuli

Mermaid Cave

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Mermaid Cave

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    1. Mermaid Cave via Ko Olina — O‘ahu

    9.98km

    00:35

    60m

    60m

    Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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    Tips

    October 10, 2023

    Mermaid Cave, or tunnels as it's often called, is a popular tourist destination. To get here, you walk over lava rock and go through an open hole. This cave is best spectated from a distance, but if you do decide to venture in, it is best to do so at low tide. To get out you have to be able to lift your own body weight, so maybe do a few pull-ups in the hotel gym to see if you are up to it!

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      Elevation 10 m

      Weather

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      Monday 3 November

      30°C

      24°C

      44 %

      If you start your activity now...

      Max wind speed: 23.0 km/h

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      Location: Nanakuli, Honolulu County, United States

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