| 1．Yodo River |
| The Yodo River (淀川, Yodo-gawa), also called the Seta River (瀬田川 Seta-gawa) and the Uji River (宇治川 Uji-gawa) at portions of its route, is the principal river in Osaka Prefecture on Honshu, Japan. The source of the river is Lake Biwa in Shiga Prefecture to the north. The Yodo River, usually called the Seta River in Shiga Prefecture, begins at the southern outlet of the lake in Ōtsu. There is a dam there to regulate the lake level. Further downstream, the Seta flows into Kyoto Prefecture and its name changes to the Uji River. It then merges with two other rivers, the Katsura River and the Kizu River in Kyoto Prefecture. The Katsura has its headwaters in the mountains of Kyoto Prefecture, while the Kizu comes from Mie Prefecture. From the three-river confluence, the river is called the Yodo River, which flows south, through Osaka, and on into Osaka Bay. In Osaka, part of the river has been diverted into an artificial channel; the old course in the heart of Osaka is called the Kyū-Yodo River (literally, 'Former Yodo River'). It serves as a source of water for irrigation and also powers hydroelectric generators. |
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| 2．Kyū-Yodo River |
| The Kyū-Yodo River (旧淀川, Kyū-Yodo-gawa) was the main stream of the Yodo River before 1907, when the current (new) Yodo River was constructed by a normalisation project. Now called the Kyū-Yodo River, it is a major waterway in central Osaka and the main drainage of Neyagawa river.[1] The name Kyū-Yodo river means former Yodo river in Japanese. |
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| 3．Dōtonbori |
| Dōtonbori or Dōtombori (道頓堀, pronounced [doːtomboɾi]) is a district in Osaka, Japan. Known as one of Osaka's principal tourist and nightlife areas, the area runs along the Dōtonbori canal from Dōtonboribashi Bridge to Nipponbashi Bridge in the Namba district of the city's Chūō ward. Historically a theater district, it is now a popular nightlife and entertainment area characterized by its eccentric atmosphere and large illuminated signboards. |
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| 4．Amanogawa (river) |
| The Amanogawa (Japanese: 天の川), Amano-gawa or Amano is a river in Japan, which passes through Hirakata, near Osaka.[1] The name means "heavenly river",[1] and is also the Japanese name for the Milky Way. The river empties into the Yodo River. |
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