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A pole of inaccessibility is, due to its distance from geographic features that could provide access, a region’s most difficult-to-reach point. It is a geographic construct, not a physical phenomenon. The oceanic pole of inaccessibility, Point Nemo, lies in the S Pacific, 1,670 mi (2,688 km) from land. The northern pole of inaccessibility is at the approximate center of the most consolidated portion of arctic pack ice. How is the N American pole of inaccessibility used for US national defense? Discuss
Source: The Free Dictionary