 Although important, the pass was not considered one of the Entrances because it connected two areas both fully within Kamakura.Its date of creation is unclear, as it's not explicitly mentioned in any historical record, and it could be therefore recent.It seems very likely however that a pass which connected the Kanazawa Road to the Nagoe area called and mentioned in the in relation to an 1180 war in Kotsubo between the Miura clan and the Hatakeyama clan is indeed the Shakadō Pass.