Derby used this opportunity to seize more towns in the region including Montségur and conduct successful sieges against La Réole and Aiguillon, placing the region firmly in English hands.
The present fortress on the site, though described as one of the "Cathar castles," is actually of a later period.
Iron Maiden published a song titled "Montségur", about the Catholics' stakes of Cathars, on their 2003 album Dance of Death.
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In Peter Berling's pentalogy The Children of the Grail and in Julia Navarro's La sangre de los innocentes, the siege of Montségur is described.
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Kate Mosse's novel, 'Labyrinth' also describes the besieging of the Cathars at Montsegur and explains some aspects of the connection between the Cathars and the Grail Legend