Ōtoyo (大豊町) is a town located in Nagaoka District, Kōchi Prefecture, Japan. , the town had an estimated population of 3277 in 1968 households and a population density of 10 persons per km². The total area of the town is 315.06 sqkm.

Geography

Ōtoyo is located in northeastern Kōchi Prefecture on the island of Shikoku. The Yoshino River and the Ananai River flow through the town, which extends 32 kilometers from east to west and 28 kilometers from north to south. The elevation is between 200 and 1,400 meters.

Neighbouring municipalities

Ehime Prefecture Kōchi Prefecture Tokushima Prefecture

Climate

Ōtoyo has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall. There are significant differences in the weather depending on the topography. but since Ōtoyo is a heavy rainfall area in general, the annual rainfall reaches 3,000mm in some places, causing landslides and other disasters. The annual average temperature is 14 °C.

Demographics

Per Japanese census data, the population of Ōtoyo has declined precipitously since the 1960s. It is the only municipality in Shikoku where over 50% of the population is aged over 65, therefore qualifying as a genkai shūraku.

History

As with all of Kōchi Prefecture, the area of Ōtoyo was part of ancient Tosa Province. During the Edo period, the area was part of the holdings of Tosa Domain ruled by the Yamauchi clan from their seat at Kōchi Castle. The area was organized into villages within Nagaoka District with the creation of the modern municipalities system on April 1, 1889, including Higashitoyonaga, Nishitoyonaga, Ōsugi, and Tentsubo. These four villages merged on March 31, 1955 to form the village of Ōtoyo. The name Ōtoyo came from taking the Ō (大) in Ōsugi (大杉) and the Toyo (豊) in Toyonaga (豊永). Following this, a section of Ōtoyo was absorbed into the town of Tosayamada (present day Kami, Kōchi). On the April 1, 1972, the village became a town.

Government

Ōtoyo has a mayor-council form of government with a directly elected mayor and a unicameral town council of ten members. Ōtoyo, together with the other municipalities of Nagaoka and Tosa Districts, contributes one member to the Kōchi Prefectural Assembly. In terms of national politics, the town is part of Kōchi 1st district of the lower house of the Diet of Japan.

Economy

The economy of Ōtoyo is centered on forestry.

Education

Ōtoyo has one public combined elementary/middle school operated by the town government. The town does not have a high school.

Transportation

Railway

JR Shikoku - Dosan Line

Highways

Local attractions

Historic sites

Events

Tourist sites

Local products

Notable people from Ōtoyo