Maruyama Fort (Ina)

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MaruyamaToride (2).JPG


Maruyama-toride worked alongside Akiba-toride to protect the base of the castle mount of Ōjō. It is thought that the nekoya, or kyokan (residential hall), of the lord of Ōjō was located between these two forts (likely beneath Akiba-toride and to the east of Maruyama-toride).

See Ina Kamihiraideko Castle and Ina Ou Castle for more information. The main castle in this area was Ina Ryuugasaki Castle.

Visit Notes

Maruyama-toride is a satellite fortification situated below Ina-Ōjō. Between Maruyama-toride and Ōjō is Akiba-toride. I had visited those two latter sites before, but had missed Maruyama-toride at that time due to misinformation about its location. However, I now have better resources. The ruins of Maruyama-toride basically consist of a bailey made by flattening a hilltop. There is a mound at the top of the hill which looks like a tower could've been sited there. There is some evidence of terracing of the hillside, particularly where there is now a small cemetery. Given that the hill was covered in trees and nobody but some fool like me would venture up there, it was still covered in snow. The snow had become icy and it was easy to get a good grip beneath my boots though. The were many different kinds of animal prints in the snow, a real who's who of Japanese wildlife, and I remarked what I thought to be the tracks of tanuki (racoon thing), birds, deer and monkeys. There is a path up the slope from the roadside which runs to the southwest, which was fortunate because I wasn't sure I would be able to get up because of all of the houses around. Maruyama-toride can be visited as part of the climb to Akiba-toride and Ōjō but there is otherwise not much to see.


Castle Profile
English Name Maruyama Fort (Ina)
Japanese Name 伊那丸山砦
Founder Suwa Clan
Year Founded Medieval Era
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Visitor Information
Access Tatsuno Station on the Chūō East Line; 10 minute walk
Visitor Information 24/7 free; hill
Time Required 10 minutes
Location Tatsuno, Nagano Prefecture
Coordinates 35° 59' 10.14" N, 137° 59' 35.56" E
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Added to Jcastle 2022
Contributor ART
Admin Year Visited Viewer Contributed
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