Azumi Ogura Castle

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AzumiOgurajou04.6.JPG

History

Rulers of Shinano Province, the Ogasawara Clan, constructed Ogurajō, and Ogasawara Sadamasa was castellan, making the castle his base as he was deputised to oversee the Azumi District. It was a simple mountain stronghold with an acute angled obikuruwa (belt bailey) hugging central enclosures on the peak. The central area of the fort was split into three baileys in a truncated renkaku-shiki (chain-style) layout, with the smallest and lowest bailey situated at the corner formed by the obikuruwa, and subsequent baileys climbing and expanding in area. The obikuruwa did not go all the way around but was bounded by two trenches on either side. On the exposed flank of the castle was the mountain slope. The main bailey overlooked this area, being located at the highest point.

Visit Notes

Ogurajō is a yamajiro (mountaintop castle) ruin located in Ogura Village, Azumino Municipality, Nagano Prefecture. The trail to the castle can be found just beyond the shrine at the top of the village. Markers for the castle are situated at the foot of the mountain. After passing beyond the Fudō shrine with its huge boulders I lost the trail for a while. In fact the trails are really just different coloured tape used as guide lines without much of a path beneath, so the climb can be challenging in places. After forgetting which combination of tape I followed I ended up coming back down by a different way on the other side of the shrine. The ruins consist of kuruwa (baileys), hori (trenches) and dorui (earthen embankments).


Gallery


Castle Profile
English Name Azumi Ogura Castle
Japanese Name 安曇小倉城
Founder Ogasawara Sadamasa
Year Founded Medieval Times
Castle Type Mountaintop
Castle Condition Ruins only
Designations Local Historic Site
Historical Period Pre Edo Period
Artifacts Horikiri, Obikuruwa, Kuruwa, Dorui
Features trenches
Visitor Information
Access Hitoichiba on the Oito Line; 15 minute DRIVE
Visitor Information Free; 24/7; Mountain
Time Required 30 minutes
Location Azumino, Nagano Prefecture
Coordinates 36° 16' 10.45" N, 137° 50' 13.38" E
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Admin
Added to Jcastle 2020
Contributor ART
Admin Year Visited Viewer Contributed


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