▁height , ▁which ▁is ▁on ▁the ▁south ▁side ▁of ▁the ▁cit adel , ▁they ▁measure ▁, ▁while ▁their ▁thick ness ▁ranges ▁between ▁. ▁Al ong ▁the ▁inside ▁of ▁the ▁cur tain ▁walls ▁ran ▁v ault ed ▁gall eries ▁that ▁allowed ▁quick ▁access ▁to ▁all ▁parts ▁of ▁the ▁cit adel . ▁These ▁gall eries ▁had ▁arrow sl its ▁from ▁which ▁an ▁approaching ▁enemy ▁could ▁be ▁shot . ▁The ▁walls ▁were ▁crown ed ▁by ▁a ▁walk way ▁that ▁was ▁protected ▁by ▁c ren ell ations . ▁ ▁G ates ▁The ▁cit adel ' s ▁three ▁gates ▁are ▁located ▁on ▁the ▁north , ▁east ▁and ▁west ▁sides ▁of ▁the ▁cit adel . ▁The ▁first ▁two ▁are ▁the ▁work ▁of ▁Al - Ad il , ▁although ▁the ▁northern ▁gate ▁has ▁been ▁rep a ired ▁in ▁the ▁M aml uk ▁period , ▁while ▁the ▁current ▁west ▁gate ▁is ▁of ▁later ▁date . ▁The ▁northern ▁gate ▁was ▁primarily ▁reserved ▁for ▁military ▁matters ; ▁the ▁eastern ▁gate ▁was ▁in ▁civ ic ▁use . ▁During ▁the ▁M aml uk ▁period , ▁the ▁eastern ▁gate ▁was ▁one ▁of ▁two ▁locations , ▁the ▁other ▁being ▁the ▁Um ay y ad ▁Mos que , ▁where ▁official ▁decre es ▁were ▁posted , ▁and ▁this ▁is ▁reflected ▁in ▁a ▁number ▁of ▁ins cri ptions ▁that ▁have ▁been ▁found ▁here . ▁ ▁The ▁northern ▁gate , ▁or ▁Bab ▁al - H ad id ▁(" I ron ▁Gate "), ▁was ▁built ▁with ▁a ▁primary ▁emphas is ▁on ▁military ▁matters . ▁It ▁originally ▁consisted ▁of ▁arch ed ▁ent ran