There is a statue of Sanada Yukimura on the grounds in recognition of the belief that the area is the location of the Sanada Maru, a fortification defended by the Toyotomi clan during the 1614 Winter Campaign of the Siege of Osaka. Within the grounds of the shrine is the opening of a tunnel, the , that is said to have connected the Sanada Maru to Osaka Castle during the siege.
A statue commemorating Sanada Yukimura stands on the grounds, symbolizing the belief that this location was the site of the Sanada Maru, a fortification defended by the Toyotomi clan during the 1614 Winter Campaign of the Siege of Osaka. A tunnel within the shrine's grounds is said to have connected the Sanada Maru to Osaka Castle during the siege.