This site is where Toyotomi Hideyoshi reportedly built a castle with stone walls overnight as his main camp during the Siege of Odawara. On April 6, 2017, “Castle Day” (derived from 4/6 being read as “shiro,” or “castle”), Ishigakiyama Castle was selected as one of the Continued 100 Fine Castles of Japan.
About 23 km from Oiso Prince Hotel
By car: About 30 minutes