
Halona Blowhole is a rock formation and a blowhole on the island of Oahu, Hawaii off of Hanauma Bay overlooking the Pacific Ocean. On windy days when the tide is high, the ocean breeze sends the waves rolling on to the shore where the rock formation then shoots sea spray high into the air through the cave acting like a geyser. ![]() Halona blowhole was formed thousands of years ago when volcanoes were still active on Oahu, lava flowed in to the ocean there at Halona Point. The molten lava tubes from volcanic eruptions that occurred thousands of years ago formed the natural occurrence known as the Halona Blowhole. The lava tubes extend in to the ocean which are very narrow at the top, and when the surf is just right, the mighty blowhole can shoot sea spray up to thirty feet high in the air.
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February 2019
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