Former castle ruins

Kakunodate Castle Ruins, Furushiroyama (Old Castle Mountain)

⚠Due to bear sightings, this road will be closed from May 15, 2026 until further notice.⚠ It is said that Kojōyama was once called Komatsuyama because of the many Japanese white pines that grew there. In the Middle Ages, the Tozawa clan (later the lords of the Shinjō Domain), who ruled this area, built a residence and a castle town at the northern foot of the mountain, prioritizing military functions in its town planning. Kojōyama, at an altitude of 168 meters, is one of the easily accessible walking courses.

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[Beware of Bears] There have been numerous bear sightings. Since there have also been sightings near Kojōyama Park, in order to ensure the safety of all visitors and residents, we will be closing Kojōyama Park to traffic for the time being (no entry except for authorized personnel). It is extremely dangerous, so please do not enter the park grounds under any circumstances. When going out in the early morning or at night, going to and from school, working in the fields, or entering the mountains, please take sufficient precautions such as making noise or carrying bear spray. The current layout of Kakunodate (Genna 6, 1620) was created by the Ashina clan. The town planning was also centered around Kojōyama, and the layout of the castle town was the complete opposite of the Tozawa clan era. In the same year that the Ashina clan began town planning, the “One Castle Per Province” decree was issued, and the residence was moved to the southern foot of the mountain. It takes about 20 minutes of leisurely walking from the trailhead to reach the summit.

From the mountaintop, you can enjoy a panoramic view of the town 🔭 It’s also a popular photo spot during cherry blossom season!

basic information

電話番号 0187-54-2700 (Senboku City Tourist Information Center "Kakunodate Station Front Warehouse")
駐車場 There is parking available near the trailhead.
アクセス

A 30-minute walk from JR Kakunodate Station. Approximately 5 minutes by car.


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