Christianshavns Enveloppe

Christianshavns Enveloppe is a former system of outworks located in front of Christianshavns Vold and Stadsgraven, on Amager. in Copenhagen, Denmark. Its well-preserved, northern half is now part of Freetown Christiania and known as Dyssen. Its southern portion was removed in the first half of the 20th century and has now been replaced by a public park, Enveloppeparken.

Christianhavns Vold was one of four ramparts that used to surround Copenhagen. Christianshavns Enveloppe was constructed on the City Moat's Counterscarp in 1779-91. It ran from Quinti Lynette in the north to Kalvebods Lynette in the south and comprised 10 redans which were numbered 1-10 from the north. The navy constructed four gunpowder magazines with associated guardhouses at the 2nd to 5th redan in 1779-81. An extra moat, a so-called avant-foss, was dug out in front of the structure in 1810-13.

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