The position of Spaarndam in Spaarndam
consists of two interconnected forts of the Defense Line of Amsterdam, constructed to defend some accesses (Slaperdijk, Spaarndamseweg) and the Spaarne. The building of the earthworks began in 1886. The form. Fort Noorden Spaarndam (Nieuwe Rijweg approx.) and the Voorm. fort bezuiden Spaarndam (Boezemkade approx.) both have a defendable earthwork (...