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The tallest Mountain in Illiniois is not a Mountain, it does not even qualify as a hill or prominence. it might even be called something short of a mound. Wheat fields in Colorado are at three times the altitude and elevation. The tallest 'mountain' in Illinois is Charles Mound at 374 m or 1,227 ft. Latitude/Longitude 42.504 / -90.24

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16y ago

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