Yoshinogari Keitai-Guide
This structure is called the watchtower. The excavated ruins of the watchtower were discovered on a protrusion jutting from the moat surrounding the Southern Inner Enclosure. The holes for the pillars are very large and deep, and so we can assume that this was a tall structure. Judging from the condition of the ruins, we can assume that this structure was the castle watchtower. It has been restored by referring to pictures on earthenware excavated from the Inayoshi Sumida ruins in Tottori prefecture. In China, a watchtower was written as roukan or boorou. It is noteworthy that these ruins correspond with a description in the Chinese book Gishiwajinden, which recounts what life was like in the Yayoi period of the Yamataikoku Nation which was majestically equipped with palaces, watchtowers and palisades.
(C)YOSHINOGARI HISTORICAL PARK