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Diamond Head is one of the best exposed and preserved examples of a typical volcanic cone of altered basaltic glass. It shows the bedding structure of the cone and the character of the rock.
Location: Oahu Island, HI
Year designated: 1968
Ownership: Federal, State
For additional information see:
Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012