A statue of Sakamoto Ryoma, a gift from Kochi Prefecture, stands by the station, and a restored cannon from the old gun battery sits beside the canal
The closest neighborhoods in the same city.
There's a statue of Sakamoto Ryoma in front of the station, sent by his home prefecture of Kochi after the remains of the Hamagawa Battery were excavated nearby in 2004. In 2015, Shin-Hamagawa Park beside the Katsushima Canal restored a full-size replica of the battery's cannon.
The Tachiaigawa river flows east-west right in front of the station, with Higashi-Oi on the north bank and Minami-Oi on the opposite side. Aside from along the main roads, Minami-Oi is mostly residential land.
The melody played when trains arrive at Tachiaigawa Station is an arrangement of "Kusa Keiba," because Oi Racecourse, which lies outside the neighborhood, is nearby.
Public transit ranks 124th out of 395 neighborhoods in Tokyo, the strongest of this neighborhood's rankings. Both Tachiaigawa and Omorikaigan stations are within the neighborhood, and Omorikaigan Station is about 700 meters from JR Omori Station at its shortest.
On September 11, 2025, heavy rain caused the Tachiaigawa river to overflow, and Shinagawa City issued Emergency Safety Measures. By the end of October, there were 527 cases of flooding above floor level across the City. The City office plans to install additional flood barriers near the Tachiaigawa railway bridge and Tachiaigawa Bridge.
Judging from our street photos, greenery ranks 294th out of 395 neighborhoods in Tokyo, the weakest of this neighborhood's rankings. Healthcare ranks 259th out of 395 neighborhoods in Tokyo, in the lower-middle range. On the canal side of Higashi-Oi 2-chome, there is also industrial land such as warehouses.
Suzugamori Execution Ground opened in 1651 and remained in operation until it closed in 1871. To reach the execution ground, one had to first cross Namida Bridge over the Tachiaigawa river, where condemned prisoners and their families would say their final farewells; this bridge is now called Hamagawa Bridge. In the Edo period, the Tosa Domain's lower residence stood in the area around Higashi-Oi 3-chome, outside the neighborhood, and it is said that Sakamoto Ryoma was once dispatched there to guard the coast when the Black Ships arrived.
After a 1961 city planning report, the Tachiaigawa river was converted into a sewer trunk line, and the upstream section above Tsukimi Bridge was covered over. Starting in 2002, JR East began channeling groundwater seepage from the Sobu Line tunnel into the Tachiaigawa river, noticeably improving water quality.
The Tokyo Metropolitan Bureau of Sewerage is building a stormwater discharge pipe beneath the Tachiaigawa river; the planned date for water flow to begin has been pushed back from 2027 to around October 2031. Before then, the temporary storage capacity of the Second Tachiaigawa Trunk Line is scheduled to be doubled ahead of the 2027 rainy season. Once the discharge pipe is completed, there are also plans to install a floodgate and a pumping station at the river mouth.
Compared with the 395 Tokyo neighborhoods in this guide (scores 0–10)
Hospitals with inpatient beds (2020 data), public elementary and junior high schools whose catchment covers this area, high schools and universities within 1 km, stations, parks of 1 ha or more, and large shopping malls and department stores. Many Tokyo junior high students attend private schools, so junior high catchments are only a guide.
Maps show the shops and the sights. What a street is like, you only know by walking it. TidyMap uses AI street imagery analysis and public facility data to turn each area's street environment and everyday convenience into something you can compare. Search an address and look at the street outside first.
How to read it: yellow = poor, blue = good; grey = not enough data
TidyMap rates the street environment and everyday convenience. It does not assess the home itself, safety, noise or actual living experience. Street environment scores use AI assessments of imagery; convenience scores use public facility data.
Content is for personal browsing. Official TidyMap neighborhood cards may be shared as generated; anyone using one commercially is responsible for their own compliance (sharing guidelines). Bulk extraction, APIs and dataset redistribution require a data licence — email us. This site uses Google Analytics and Cloudflare Analytics.