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Iyo, Ehime

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Iyo, Ehime

Flag of Iyo
Location of Iyo in Ehime Prefecture
Location of Iyo in Ehime Prefecture
Iyo is located in Japan
Location in Japan
Country Japan
Region Shikoku
Prefecture Ehime Prefecture
 • Mayor Tasuku Nakamura
 • Total 194.47 km2 ( sq mi)
Population (February 2009)
 • Total 39,915
 • Density

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 • Tree Metasequoia
 • Flower Rapeseed blossom (Brassica napus)
Time zone Japan Standard Time (UTC+9)
City Hall Address 820 Kominato, Iyo-shi, Ehime-ken
Phone number 089-982-1111
Website City of Iyo

Iyo (伊予市 Iyo-shi) is a city located in Ehime Prefecture, Japan.

On February 2009, the city has an estimated population of 39,915 and a population density of 205.25 persons per km². The total area is 194.47 km².

On April 1, 2005, Iyo absorbed the towns of Nakayama and Futami (both from Iyo District) to create the new and expanded city of Iyo, raising its population to over 40,000 and nearly quadrupling its area.


Iyo is situated in the center of Ehime, approximately 10 kilometers southwest of the prefectural capital of Matsuyama. The western portion of the city, from Gunchū in the north down to Futami's Shimonada in the south, hug the coast of the Inland Sea, nestled in the southwestern section of the Dogo Plain. The southeastern portion of the city enters into the mountains in the interior of the prefecture, and the Nakayama area in particular is quite mountainous.

Nearby cities and towns


While archaeological artifacts show that the Iyo area has been settled since at least as far back as the Yayoi period (300 BC to 250 AD), the origins of the present city of Iyo can be traced back to the year 1635, when the Matsuyama han ceded the territory including Iyo to the Ōzu han. The port at Gunchū, the heart of present-day Iyo, became the main commercial port for the Ōzu han and the surrounding community flourished.

  • January 1, 1955 — The town of Gunchū was merged with the villages of Kita-yamasaki, Minami-yamasaki and Minami-iyo to create the first incarnation of the city of Iyo.
  • April 1, 2005 — Iyo absorbed the towns of Nakayama and Futami (both from Iyo District) to create the new and expanded city of Iyo.


Iyo houses the national headquarters for Marutomo and Yamaki, food manufacturing companies that specialize in dried Bonito flakes. Other main products include mikan and Nakayama chestnuts and other fruits and vegetables. In addition, Futami has had some success in making its sunset a local tourist draw, creating a seaside park, a sunset museum and an annual sunset concert at its Shimonada Station.


The sunset seen from the scenic Futami coast


Iyo is served by the Yosan and Uchiko lines of JR Shikoku and the Gunchū line of the Matsuyama commuter railway system run by the Iyo Railway Company.

The Yosan Line follows the coastline, running from Torinoki Station in the north through Iyoshi Station, the main station serving pre-merger Iyo, Mukaibara Station, then Konokawa Station, Iyo-Kaminada Station, Shimonada Station and Kushi Station in Futami before running into Ōzu. Nakayama is served by the Uchiko line, which diverges from the Yosan Line at Mukaibara and continues on Iyo-Ohira Station and Iyo-Nakayama Station before entering Uchiko and eventually rejoining the Yosan Line in Ōzu. Limited express trains stop regularly at Iyoshi Station and occasionally at Iyo-Nakayama Station.

The stations on Iyo Railway Company's Gunchū line within the city of Iyo are Shinkawa Station, Gunchū Station and the terminal station, Gunchūkõ, which is directly across the street from Iyoshi Station on JR Shikoku's Yosan Line.


The Matsuyama Expressway's Iyo exit provides access to the Matsuyama International Airport and runs through the center of the city, as does Route 56 linking Matsuyama to Ōzu. Route 378, running from downtown Iyo through Futami and towards Nagahama, is a scenic coastal road.

Interesting People

Masanobu Fukuoka (born: January 2, 1913, died: August 16, 2008), was the author of "The One-Straw Revolution" and other books. After education in microbiology, and work as a soil scientist specializing in plant pathology, he developed through research at Kōchi Prefecture Agricultural Experiment Station, and the family farm, a "do-nothing" method of farming. Without soil cultivation plowing, tilling, chemical fertilizers, pesticides, weeding, pruning, machinery or compost, Fukuoka was able to produce high-quality fruit, vegetables and grains with yields equal to or greater than those of any neighboring farm.

External links

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  • Iyo City official website
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