Gorge (fortification)

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A gorge in field fortification is the "unexposed side of a fieldwork",[1] typically the rear of an independent fieldwork or detached outwork in front of the main fortress or defensive position.

Outworks with open gorges[edit]

Straith describes three commonly used classes of field work: "works open at the gorge, works enclosed all round and lines." He lists the following as works open at the gorge:[2]

Closed works are the redoubt, star fort and bastioned fort.[2]

Gorges of 'half-closed works' were usually closed either by a parapet or stockade.[3]



  1. ^ _ 1878, p. 70.
  2. ^ a b Straith 1850, p. 7.
  3. ^ _ 1878, p. 71.


  • _ (1878). Text Book of Fortification and Military Engineering, Part 1. London: HMSO.
  • Neumann, Hartwig (1994) Festungsbaukunst und Festungsbautechnik. Deutsche Wehrbauarchitektur vom XV. – XX. Jahrhundert. Mit einer Bibliographie deutschsprachiger Publikationen über Festungsforschung und Festungsnutzung 1945–1987. 2nd edition, special edition. Bonn: Bernard & Graefe. ISBN 3-7637-5929-8, (Architectura militaris 1).
  • Straith, Hector (1850). Treatise on Fortification and Artillery, Volume 1. London: Allen.