Shoryuji Castle

Shōryūji Castle is a historic Japanese fortress located in Nagaokakyō, Kyoto Prefecture. Originally constructed on September 19, 1339, by the prominent samurai commander Hosokawa Yoriharu, the site served as a critical strategic foothold for defending the imperial capital of Kyoto from western threats. Built as a hilltop castle, its defenses utilized dry moats, earthworks, earthen bridges, and stone walls reinforced with wood. Throughout its active history from the 14th to the 17th century, the stronghold was occupied by several influential families, including the Yokoyama, Hosokawa, and Nagai clans, and played a pivotal role during the turbulent Sengoku period.

The castle holds significant historical importance due to its involvement in major conflicts such as the Ōnin War and the rise of Oda Nobunaga, who captured the site in 1568 before granting it to Hosokawa Fujitaka. Its most famous moment occurred during the Battle of Yamazaki in 1582, where the collapse of the castle's garrison forced the warlord Akechi Mitsuhide to flee following his assassination of Nobunaga, ultimately leading to Mitsuhide's death. The fortress remained in use until 1649, when it was demolished, marking the end of its military utility.

Today, the original structure no longer stands, but the site has been preserved as a public park owned by the City of Nagaokakyō. While the main keep is gone, imitation stone walls and turrets have been reconstructed to give visitors a sense of the former architecture. Excavations at the location have uncovered various artifacts, including coins and well ruins, which are displayed alongside markers indicating the estimated grounds. Accessible via Nagaokakyo Station, the area now serves as a cultural landmark where history enthusiasts can explore the remnants of this once-vital defensive position.