Sannohe, Aomori

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Sannohe Town Hall
Sannohe Town Hall
Flag of Sannohe
Official seal of Sannohe
Location of Sannohe in Aomori Prefecture
Location of Sannohe in Aomori Prefecture
Sannohe is located in Japan
Coordinates: 40°22′42.2″N 141°15′31.6″E / 40.378389°N 141.258778°E / 40.378389; 141.258778Coordinates: 40°22′42.2″N 141°15′31.6″E / 40.378389°N 141.258778°E / 40.378389; 141.258778
Country Japan
Region Tōhoku
Prefecture Aomori Prefecture
District Sannohe
 • Total 151.79 km2 (58.61 sq mi)
Population (October 2016)
 • Total 9,884
 • Density 65.1/km2 (169/sq mi)
Time zone Japan Standard Time (UTC+9)
City symbols  
• Tree Paulownia tomentosa
• Flower Far East Amur adonis
• Bird Eurasian scops-owl
Phone number 0179-20-1111
Address Zaifukojimachi, Sannohe, Sannohe-gun, Aomori 039-0132
Reconstructed gate of Sannohe Castle

Sannohe (三戸町 Sannohe-machi?) is a town located in Sannohe District of southeastern Aomori Prefecture in the Tōhoku region of northern Japan. As of 1 October 2016, the town had an estimated population of 9,884 and a population density of 65.1 persons per km2. Its total area was 151.79 square kilometres (58.61 sq mi).


Sannohe occupies an inland area in southeast corner of Aomori Prefecture, south of the Hakkoda Mountains. The town has a cold maritime climate characterized by cool short summers and long cold winters with heavy snowfall (Köppen climate classification Cfa). The average annual temperature in Sannohe is 9.8 °C. The average annual rainfall is 1259 mm with September as the wettest month.The temperatures are highest on average in August, at around 23.0 °C, and lowest in January, at around -2.5 °C.[1]

Neighbouring municipalities[edit]


Per Japanese census data,[2] the population of Sanno has steadily declined over the past 40 years.

Census Year Population
1970 16,184
1980 15,506
1990 14,440
2000 13,223
2010 11,300


The area around Sannohe has been inhabited since ancient times, and numerous Jomon period remains have been found. During the Kamakura period it was the center of the domains awarded to Nanbu Mitsuyuki, a retainer of Minamoto Yoritomo after the defeat of the Northern Fujiwara clan in 1187. It remained under the control of the Nanbu clan through the Sengoku period as a castle town centered on Sannohe Castle. During the Edo period, came under the control of Morioka Domain, and a daikansho was established on the site of the former castle. It was proclaimed a town after Meiji restoration, with the establishment of the municipalities system on April 1, 1889. On March 20, 1955, the three neighboring villages of Sarube, Tomesaki and Tonai merged with Sannohe.


The economy of Sannohe is heavily dependent on agriculture, with tobacco as the main crop, followed by rice and apples.


Sannohe has three public elementary schools and two public middle schools operated by the town government and one public high school operated by the Aomori Prefectural Board of Education.




International relations[edit]

Local attractions[edit]

Noted people from Sannohe[edit]

  • Kagamisato Kiyojisumo wrestler
  • Kanpei Matsuo – politician
  • Noboru Baba – illustrator, manga artist


  1. ^ Sannohe climate data
  2. ^ Sannohe population statistics
  3. ^ "International Exchange". List of Affiliation Partners within Prefectures. Council of Local Authorities for International Relations (CLAIR). Retrieved 21 November 2015. 
  4. ^ "青森県内の自然公園" [Natural Parks in Aomori Prefecture] (in Japanese). Aomori Prefecture. Retrieved 22 August 2012. 
  5. ^ "名久井岳県立自然公園" [Nakuidake Prefectural Natural Park] (in Japanese). Aomori Prefecture. Retrieved 22 August 2012. 

External links[edit]