Excavation of the Ote michi-road connecting the southern foot of Mt. Azuchi and Honmaru (the keep of a castle), the resident attributed to Hideyoshi TOYOTOMI and that attributed to Toshiie MAEDA, both of which were adjacent to pathway, as well as the Hon-maru Palace modeled after Seiryo-den (an imperial summer palace) in the Imperial Palace which were constructed for the Imperial visit, is disclosing the castle's appearance in those days.
南山麓から本丸へ続く大手道、通路に接して築造された伝豊臣秀吉邸や伝前田利家邸、天皇行幸を目的に建設したとみられる内裏の清涼殿を模った本丸御殿などの当時の状況が明らかとなりつつある。