was a town located in Mitoyo District

Mitoyo District, Kagawa

was a district located in Kagawa, Japan. On January 1, 2006 all seven towns in the district merged forming the city of Mitoyo at which point the district was dissolved....

, Kagawa Prefecture

Kagawa Prefecture

is a prefecture of Japan located on Shikoku island. The capital is Takamatsu.- History :Kagawa was formerly known as Sanuki Province.For a brief period between August 1876 and December 1888, Kagawa was made a part of Ehime Prefecture.-Battle of Yashima:...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

.

On October 11, 2005 Ōnohara was merged with the town of Toyohama

Toyohama, Kagawa

Toyohama was a town located in Mitoyo District, Kagawa, Japan.On October 11, 2005 Toyohama was merged with the town of Ōnohara, also from Mitoyo District, to form the new city of Kan'onji and no longer exists as an independent municipality....

, also from Mitoyo District

Mitoyo District, Kagawa

was a district located in Kagawa, Japan. On January 1, 2006 all seven towns in the district merged forming the city of Mitoyo at which point the district was dissolved....

, to form the new city of Kan'onji

Kan'onji, Kagawa

is a city located in Kagawa, Japan.As of May 1, 2011, the city has an estimated population of 63,721, with households 23,480 and a density of 542.44 persons per km². The total area is 117.45 km²....

 and no longer exists as an independent municipality

Municipalities of Japan

Japan has three levels of government: national, prefectural, and municipal. The nation is divided into 47 prefectures. Each prefecture consists of numerous municipalities. There are four types of municipalities in Japan: cities, towns, villages and special wards...

.

As of 2003, the town had an estimated population

Population

A population is all the organisms that both belong to the same group or species and live in the same geographical area. The area that is used to define a sexual population is such that inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals...

 of 12,851 and a population density

Population density

Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 of 248.76 persons per km². The total area was 51.66 km².

Structures of interest in Ōnohara include Honenike Dam, a multiple-arch dam completed in 1930.