
Guida
The Obama Castle Ruins, located in Johnaicho, Obama City, Fukui Prefecture, are the remains of a 'Sea Castle' (Kaijo) built during the early Edo period. A 'Sea Castle' is a fortification that utilizes the sea, rivers, and wetlands as natural moats. The structure of this site was shaped through the initial construction by the Kyogoku clan and subsequent large-scale renovations by the Sakai clan. Although the original castle tower and buildings have been lost, the stone walls around the Honmaru (inner citadel) and other architectural remains still vividly convey the spirit of the era.
The history of Obama Castle began in 1601 with construction initiated by Kyogoku Takatsugu. Originally intended to replace the former Haseyama Castle, the project was altered when the Kyogoku clan was transferred, leading the Sakai clan to implement a large-scale redesign incorporating the architectural style of Nijo Castle. Completed in 1642, the castle served as the residence of the Wakasa Sakai clan. During the Meiji era, it played a military role as the first division of the Osaka Garrison, though many buildings were later lost to fire. Today, it is preserved as a vital historical site that tells the story of the region.
The most striking feature of the Obama Castle Ruins is the stone wall remains centered around the Honmaru. In the past, the castle featured a keep and turrets, protected by the Kitagawa and Minamigawa rivers and the sea. Today, the outer stone walls of the inner citadel allow visitors to visually understand the defensive mechanisms of the time. Another significant treasure is the 'Junzo Gate,' the former entrance to the clan school (Hanko), which has been relocated and preserved as the main gate of the Fukui Prefectural Wakasa High School. This gate serves as a precious piece of architectural history. Additionally, the relocation of the Shoin entrance to Tadadera Temple offers a broader view of the cultural-architectural connections of the era.
The area surrounding the Obama Castle Ruins maintains much of its natural beauty, offering different expressions depending on the season. In spring, the nearby Obama Park and surrounding areas bloom with vibrant azaleas, creating a colorful and picturesque landscape. In autumn, the surrounding trees turn brilliant colors, creating a harmonious view of nature and historical stone walls. While daytime is ideal for observing the structure of the stone walls and topography, visiting at dusk provides a more profound, serene atmosphere characteristic of an ancient sea castle.
Rather than visiting large-scale buildings, the main activity here is 'historical strolling'—tracing the paths of the terrain and stone walls. Visitors can walk through the site while deciphering how the castle once utilized the sea and rivers for defense. By visiting relocated structures like the 'Junzo Gate,' you can experience the flow of history from the Edo to the Meiji periods. A walking tour through the surrounding historical streets provides a deep understanding of the local culture.
Several sites of historical value are scattered around the Obama Castle Ruins. Temples and shrines such as Myotsu-ji, Joko-ji, and Kamo Shrine share the same historical context of the castle town. In the center of Obama, the 'Mikaguni Wakasa Obama Food Culture Museum' offers insights into the local culinary heritage. Furthermore, the nearby natural scenery of 'Sotomo' in Wakasa Bay creates a perfect sightseeing route combining history and natural beauty.
As the site includes stone walls and unpaved paths, comfortable walking shoes are highly recommended. Please note the following: