
Nezumigaseki, one of the three ancient barriers of Oshu, crossed by Minamoto no Yoshitsune and Matsuo Basho (Tsuruoka City, Yamagata Prefecture)
Nezugaseki (also known as Nenjugaseki or Nezugaseki) was a crossing point between the Tohoku region (Emishi), which the Yamato court had not yet controlled, and the Kanto and Hokuriku regions, during the Ritsuryo period (Asuka to Heian periods).











