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Rivers in the city

Last Updated March 11, 2019

Rivers in Totsuka Ward

The waterfall of the Udagawa River is a deep waterfall


First-class rivers are rivers managed by the Minister of Land, Infrastructure, Transport and Tourism. In Kanagawa, the Sagami River and Tsurumi River are first-class rivers in Kanagawa Prefecture.

In Totsuka Ward, the Sakaigawa River, the Izumi River, Uda River, Akuwa River, Nasegawa River, Hirato Nagatani River, Maioka River, Nasegawa River, Hirato Nagatani River, Maioka and Kashio River are second-class rivers. Of these, Izumi, Udagawa, Akuwa, Nasegawa, Hirato Nagatanigawa and Maioka rivers are managed by the The Mayor of Yokohama, while Sakaigawa and Kashio rivers are managed by the governor of Kanagawa Prefecture.

Ordinary rivers are general names that are not rivers under the River Law, and are called general rivers and waterways.
In Totsuka Ward, there are Kawakami River, Omote River, Tando River, Sekiya River and Takinogawa River.


Rivers in Totsuka Ward
River NameRiver typeContents
SakaigawaSecond-class riverThe Sakai River begins near Lake Shiroyama, Tsukui-gun, and flows from north to south through five cities, Machida, Sagamihara, Yamato, Yokohama, and Fujisawa, and flows into Sagami Bay. The water in the river that flows through the Totsuka Ward flows into this Sakaigawa River.
It is said that the origin of the name was because it used to flow between the country of Sagami (Sagami) and Musashi country.
In the past, the downstream area of the Sakaigawa River was often flooded as a rampaging river, but in the late Meiji era, cultivated land was rehabilitated, river renovation, and weir construction, resulting in a smooth river shape like today . In addition, with the construction of the weir, the water from the Sakaigawa main stream was also used as agricultural water. From these remnants, a spacious countryside remains along the Sakaigawa River in Higashimatanocho. The Sakai River begins near Lake Shiroyama, Tsukui-gun, and flows from north to south through five cities, Machida, Sagamihara, Yamato, Yokohama, and Fujisawa, and flows into Sagami Bay. The water in the river that flows through the Totsuka Ward flows into this Sakaigawa River.
Kashio RiverSecond-class riverThe Kashio River is a second-class river with a length of about 11 km from the confluence of the Akuwa River and Hirato Nagatanikawa in Kashiwao-cho, Totsuka-ku to the main stream of Sakaigawa in Fujisawa City.
The basin area is about 84 km3 and is the second largest in Yokohama. It is a typical urban river where the basin has become urbanized.
The embankment has a promenade under an endless row of cherry blossom trees. In addition, there is a passage along the waterside where flowers grow, so you can enjoy a walk while feeling the flow of water up close.
The Kashio River is about 4 km straight line in the ward, but the expression of the waterside is slightly different in some places.
Izumi RiverSecond-class riverThe river originates from Seya Ward and runs north and south through Izumi Ward, and joins the Sakai River in Totsuka Ward.
UdagawaSecond-class riverIt begins in Nakata-cho, Izumi-ku, flows almost southwest, and flows into Sakaigawa in Matanocho. The Udagawa was once called the Muraoka River, but in the Taisho era, a person named Uda built a bank to prevent the river from overflowing, so it came to call it Udagawa.
In the downstream area near the junction with Sakaigawa, a promenade with a row of cherry trees is maintained. In the middle part, there is a flute (Shimin-no-Mori), where the legend of the woodman remains, making it a place to relax. The river is downstream from Nakada Bridge at Minami Nakata 5-chome, and upstream is an ordinary river (waterway).
Akuwa RiverSecond-class river

A river separated from the Kashio River, a tributary of the Sakaigawa River.
The headwaters are near Mitsukyo in Seya Ward, merges with Nasegawa in Kamiyabe-cho, and flows into the Kashio River together with Hirato Nagatanigawa at the border between Kamiyabe-cho, Nasecho and Kashio-cho.
The right bank side of the section from the ward border to the intersection with Yokohama Shindo is maintained as a green riverside promenade.
In this section, local people and elementary schools are working together to beautify the river, and the hydrophilic plaza, which is the center, is called Aqualand.

Name SegawaSecond-class riverAs the name suggests, Nasegawa is a river that flows through Nasecho, and is a second-class river with a length of about 2 km from a golf course (Tozuka Country Club) in the northern part of Nasecho to join the Akuwa River. It is a river that forms the central axis of Naze, where the traditional Tando natural scenery of Tando remains deeply. In the upper reaches, Nasecho Ogawa amenities are maintained, and you can walk along the murmuring.
Hirato Ei TanikawaSecond-class riverStarting from the vicinity of Noiwa-cho, Konan-ku, it flows almost parallel to the road called Ring Route 2, and flows into the Kashio River together with the Akuwa River at the border between Kamiyabecho, Nasecho, and Kashio-cho. In Totsuka Ward, it is a river with little greenery because it flows through the town.
Maioka RiverSecond-class river

The Maioka River, which originates from Maioka Park, is a river with a length of about 2 km that joins the Kashio River near Gotayu Bridge on National Highway No. 1. The section from Maioka Station to Maioka Park is equipped with Maiokacho Ogawa Amenity, and there are rest areas with waterwheels. You can enjoy a stroll in the old-fashioned countryside.

Yokohama City River Map

Yokohama City River Map

Waterside Protection Association as of FY2018 (Reference)

Tozuka Public Works Office, we are promoting the creation of a protection society for rivers in the city.

Naze amenity club
Engei Juku
Sakamoto Waterside Protection Association
Na Segawa and Play Corps
Kabuki Waterside Protection Association of Naze Daiichi Neighborhood Association
Aqua Karugamo Corps
Horai Bridge Waterfront Protection Association
Hira Togawa Waterfront Protection Association
Shimonagaya Waterside Protection Association Greenery and Flowers
Kawabe Family Garden Mizube Protection Association
Na Segawa (Sakae Bridge -Tsukimi Bridge) Waterfront Protection Association
Nasegawa upper waterfront protection society
Elegant Ogawa Protection Association
Maioka River Waterfront Plaza Protection Association
Matano Neopolis Neighborhood Association Udagawa, Tando River Waterside Protection Association

For inquiries to this page

Totsuka Ward Tozuka Public Works Office

Phone: 045-881-1621

Phone: 045-881-1621

Fax: 045-862-3501

Email address: to-doboku@city.yokohama.jp

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Page ID: 146-730-831

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