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Iao Needle
volcanic monolith, Hawaii, United States
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features of Iao Valley
- In Iao Valley
Iao Needle, a volcanic monolith 2,250 feet (686 metres) high, soars nearly straight up from the valley floor. A 6-acre (2.5-hectare) section of the valley featuring the Iao Needle is designated a state park and a national natural landmark. A bronze tablet at the base…
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