Redoubt 6 - Constitution Island

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Redoubt 6 - Constitution Island (1779-1783) - A Revolutionary War Redoubt established in 1779 on the present day military reservation of the United States Military Academy on Constitution Island in Putnam County, New York. Abandoned at the end of the war in 1783.

Redoubt 6 Bastion from Above
Redoubt 6 Bastion from Below
Redoubt 6 on Constitution Island


Part of Fortress West Point.

A land side defense built on the mid island heights of Constitution Island to protect the gun batteries guarding the Great Chain and the "S" curve in the Hudson River. Redoubt 6 overlooked most of the island and could support both Redoubt 5 and Redoubt 7. Constructed of stone with dry masonry construction and may have had palisade on the parapet. Redoubt 6 was meant to hold some 120 infantrymen who would have lived in huts outside the redoubt. Recommended to be armed with four 6 pounders but no cannons listed among its armaments. Banquettes for infantrymen.

Current Status

Stabilized remains on the military reservation of the United States Military Academy, Putnam County, New York. On active Military installation and access may be restricted.

Location: United States Military Academy on Constitution Island, Putnam County, New York.

Maps & Images

Lat: 41.40432 Long: -73.9518

  • Multi Maps from ACME
  • Maps from Bing
  • Maps from Google
  • Elevation: .....'

See Also:


  • Roberts, Robert B., Encyclopedia of Historic Forts: The Military, Pioneer, and Trading Posts of the United States, Macmillan, New York, 1988, 10th printing, ISBN 0-02-926880-X, page 591.
  • West Point Fortifications Staff Ride Note Cards, 3rd ed, USMA History Department, January 1994 changed 1998 and 2008, Pdf, 82 pages, page 23.


Visited: 11 May 2012

Redoubt 6 - Constitution Island Picture Gallery

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