Sannohe Castle, Aomori
Aomori 🏯 Castle 📷 2

Sannohe Castle

三戸城

Admission History and Folk Museum admission: adults ¥220; university/high-school students ¥180; elementary/junior-high students ¥70. Groups of 20 or more: ¥180/¥150/¥50 in the same order. Not a fee for the outdoor castle ruins.
Opening hours Sannohe Town History and Folk Museum only: 09:00–16:00. Closed Mondays, days after holidays, and 12-01–03-31. These are not opening hours for the outdoor castle ruins.

Usual hours and prices, checked 2026-10-07 against the sources under “What this place is”. They can change for holidays and events — confirm before you go. Official site

Our guide

Sannohe Castle was a Muromachi-period castle in the centre of what is now the town of Sannohe, Aomori. It stood on a river terrace of the Mabechi River, which formed part of its natural defences. The site was designated a National Historic Site in March 2022.

Sannohe Station on the Aoimori Railway is about 1.8 km away in a straight line. We have not checked what can be seen on the site today.

Written by japan-spots.com (2026-09-22) from the sources credited on this page. Distances are straight lines between map positions.

Photos

Photos from Wikimedia Commons, each under its own licence — see credits
  1. 三戸城温故館 — 小池 隆 · CC BY 3.0 · source · resized
  2. 三戸城綱御門 — 小池 隆 · CC BY 3.0 · source · resized

What this place is

Sannohe Castle (三戸城, Sannohe-jō) was a Muromachi period Japanese castle located in the center of what is now the town of Sannohe, in Sannohe District of Aomori Prefecture, in the Tōhoku region of northern Japan. It was located on a river terrace of the Mabechi River, which formed part of its natural defenses. The castle site was designated a National Historic Site of Japan in March 2022.

Visitor information checked: 2026-10-07 · Official visitor information

Background text from Wikipedia (CC BY-SA 4.0)

What to expect at this type of place: Castle

Nearby station

Nearby station: Sannohe (Aoimori Railway Line), about 1.8 km from the spot in a straight line.

Worked out on 2026-09-14 from this place’s map position, using HeartRails Express station data and station names from Wikidata. The distance is a straight line, not a walking route, and says nothing about buses, transfers or timetables — plan the trip on Google Maps.

Route on Google Maps

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