Ōta River

Ōta River (太田川, Ōta-gawa) is a 103 kilometer (64 mile) long river in Hiroshima Prefecture, Japan. Its main stream originate in Mt. Kanmuri (冠山, Kanmuri-yama) (1,339m) and empties into the Seto Inland Sea. The river is one of the major rivers in the prefecture and descends through steep topography, with hydroelectric power plants situated along the river.

Ota River
Ōta River Bridge, the southernmost of all the crossings of the Ōta River
Physical characteristics
Source	Mt. Kanmuri[1]
⁃ location	Hatsukaichi, Hiroshima
Mouth	Hiroshima Bay, Seto Inland Sea[1]
⁃ location	Hiroshima
⁃ coordinates	34°21′39″N 132°24′20″E
Length	103 km (64 mi)[1]
Basin size	1,710 km2 (660 sq mi)[1]

Ōta River has numerous of tributaries around the upper streams and join with Misasa River in Asakita-ku, Hiroshima. It branches into Kyōbashi River, Tenma River, and Motoyasu River in the delta area of Hiroshima, which was formed by Ōta River. The Aioi Bridge, the aiming point for the Atomic bombing of Hiroshima, is among the numerous bridges that span the river.

Ōta River runs through the municipalities of Hatukaichi, Akiota, Kitahiroshima, Akitakata, Higashihiroshima and Hiroshima. The size of its catchment area is 1,710 km².