Legends say that Ota Dokan built a satellite fortification to Edo castle on this site, but no historical artifacts of a castle have been found here. Dating back to ancient times, it was a popular location on the end of a high ridge and with good views in all directions so it would make a suitable location for a castle. Further along the same ridge to the North and West there are other verified castle sites as well. In the Kamakura Period (1185-1333), the local landholder Sekidokan had his home on this site. In the Edo Period it was a popular "tourist" location to watch the river, gather medicinal herbs and to enjoy listening to the crickets of summer. Today there is a large cut through the mountain for the road, but the top is otherwise occupied by a school, park, and the Suwa Shrine.

Visit Notes

The site is now the Nishinippori Park and Suwa Shrine

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Castle Profile
English Name Dokanyama
Japanese Name 道灌山
Founder Ota Dokan (?)
Year Founded 15th C.
Castle Type Mountaintop
Castle Condition Ruins only
Historical Period Pre Edo Period
Visitor Information
Access Nishi Nippori Sta (JR Yamanote Line); 5 min walk
Visitor Information Park, open 24/7
Time Required 15 mins
Location Tokyo, Tokyo
Coordinates 35° 43' 53.33" N, 139° 45' 59.87" E
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Added to Jcastle 2022
Contributor Eric
Admin Year Visited 2021
Admin Visits Dec 26, 2021

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