Best Place to See A Geologic Phenomenon (2008)

Manhattan Ridge

New York City is famous for its dazzling man-made structures. But Mother Nature's oeuvres are often hidden in plain sight. One of them is the Manhattan Ridge, formed primarily of erosion-resistant mica schist more than 350 million years ago during the Paleozoic age. Its sheer cliffs—easily visible from the Major Deegan Expressway—tower over the Harlem River and the Harlem River Drive near 155th Street and Eighth Avenue. Moving southward, between 137th and 141st streets along Amsterdam and Convent avenues, it's called St. Nicholas Heights. The City College of New York stands on its summit. At 125th Street, the Manhattanville Valley bisects the ridge, but from 125th Street to 110th Street, it rises to become Morningside Heights.


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