Redoubt 6
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Constitution Island Fortifications

West Point Fortifications


The Great Chain 

Hudson River

Marsh


 Sources and Author's Note  

West Point Fortifications Staff Ride Note Cards 24
USMA History Department 2d Edition, March 1998
Redoubt 6
(A redoubt is a small fortification designed to protect an important feature such as a hill or a pass.
Redoubts contain infantry and, often, cannon.)
´ Purpose: Located in center of island oriented to protect against attack from the marsh against batteries
protecting chain.
´ Construction:
- Constructed in 1779; first mentioned in Aug
- Reentrant angle oriented along north infantry avenue of approach
- Overlooks most of island and can support both Redoubts 5 and 7
- Probably had palisades on parapet
- Steep sides of knoll eliminated need for a high parapet
- Scarp wall averages 9Ý height and 8-10Ý width
- Entrance at reentrant angle like Redoubt #5
- Dry masonry construction still intact after 200 years
- No ditch due to difficulty of digging
- Existence of banquettes suggests that no heavy artillery was present
´ May have mounted a cannon or been supported by an external battery
- Recommended armament was four 6-pdrs
- LÝEnfantÝs sketch shows embrasure on S. wall and blockhouse
- Duportail reported that it had a battery in Sep 1778.
´ Manpower: 120 men (lived in huts outside redoubt)

View from Redoubt 6 looking toward Redoubt 5.  The two positions were mutually supporting, and when combined with Redoubt 7 to the northwest (to the right in this picture), provided interlocking fields of fire covering the river batteries from ground attack from the marsh side of Constitution Island.

This page maintained by Erik Riker-Coleman
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