1 3 ▁inhabitants . ▁ ▁Category : M unicip al ities ▁in ▁the ▁Province ▁of ▁C uen ca ▁Category : Pop ulated ▁places ▁in ▁the ▁Province ▁of ▁C uen ca <0x0A> </s> ▁S istema ▁Hu aut la ▁is ▁a ▁cave ▁system ▁in ▁the ▁Sierra ▁Maz ate ca ▁mountains ▁of ▁the ▁southern ▁Mexican ▁state ▁of ▁O ax aca . ▁ ▁it ▁was ▁the ▁deep est ▁cave ▁system ▁in ▁the ▁Western ▁Hem is phere , ▁ ▁from ▁top ▁to ▁bottom , ▁with ▁over ▁ ▁of ▁mapped ▁passage ways . ▁By ▁May ▁ 2 0 1 8 ▁the ▁most ▁recent ▁report ▁( c / o ▁National ▁Geographic ) ▁reported ▁it ▁as ▁ ▁long ▁( end ▁to ▁end ) ▁with ▁ 2 5 ▁distinct ▁ent ran ces ▁and ▁a ▁depth ▁measurement ▁of ▁ ▁from ▁its ▁highest ▁known ▁entrance ▁to ▁its ▁lowest ▁reached ▁point . ▁System ▁Hu aut la ▁is ▁the ▁deep est ▁cave ▁in ▁the ▁Western ▁Hem is phere ▁and ▁the ▁nin th ▁deep est ▁cave ▁in ▁the ▁world ; ▁it ▁is ▁listed ▁as ▁the ▁twenty - e ighth ▁longest ▁at ▁about ▁ 5 3 ▁miles ▁survey ed ▁passage ▁compared ▁to ▁the ▁M amm oth ▁C ave ▁complex ▁at ▁ 4 0 5 + ▁miles . ▁ ▁Location ▁S istema ▁Hu aut la ▁is ▁a ▁cave ▁system ▁in ▁the ▁Sierra ▁Maz ate ca ▁mountains ▁in ▁ ▁the ▁Te ot it lán ▁District ▁ ▁of ▁the ▁C añ ada ▁region ▁in ▁the ▁southern ▁Mexico ▁state ▁of ▁O ax aca . ▁It ▁is ▁below ▁the ▁municipal ities ▁of ▁Hu