Yonamoto Village map of 1836, Yachiyo City
Article

12221 / やちよし

Chiba Prefecture

Yachiyo City

A map's legend first names this river.

Yonamoto Village map of 1836

Photo by ゆりのき橋 (CC BY 3.0)

01 / Obisha

The target mark is rememberedas “Ko-otsu-nashi”: middling is said to be good.

Obisha in Yachiyo City
Photo by 運動会プロテインパワー (CC BY-SA 4.0)

It is held every year on 20 January at Takatsuhime Shrine. The target is about 90 cm across, woven bamboo with paper pasted on, with a demon-like character drawn at its centre. It is remembered as “Ko-otsu-nashi”, and a middling year, neither bumper nor poor, is said to be best. The city's newsletter says 12 arrows were shot originally, and 13 in leap years.

  • Held every 20 January
  • 12 arrows, 13 in leap years
  • Municipal designated cultural property (folk custom)

02 / Kofun

The mound's central part was cut away,and a shrine stands there.

Kofun in Yachiyo City
Photo by ゆりのき橋 (CC BY 3.0)

This keyhole-shaped mound lies in the grounds of Nenokami Shrine in Murakami. It is 50 m long, and its rear circle is 35 m across and 3.5 m high. The city says the central part of the mound was cut away to build the shrine, and that the rest of the form is well preserved.

  • 50 m long
  • Rear circle 35 m across, 3.5 m high
  • Municipal historic site

03 / Precept stone

“Art sellers are banned.”A stone rebukes wandering performers.

A 2 m precept stone stands to the left of the temple gate of Chofukuji in Yonamoto. Erected in 1838, it is inscribed with a ban on “art sellers”. The city says these were wandering performers who begged from door to door, and the stone bans selling street shows within the grounds.

  • 2 m high
  • Erected in 1838
  • Municipal designated cultural property

Yachiyo City from the sky

Now and 1974–78. Tap a photo to zoom in.

Wide (about 6 km across)

Close (about 1.5 km across)

Now (shot June–October 2019)Shot 1974–78

Source: Geospatial Information Authority of Japan (GSI) GSI Tiles(全国最新写真(シームレス)/国土画像情報(第一期:1974〜1978年撮影))

Open in GSI Maps (now)Open in GSI Maps (1974–78)

Living here

Ten minutes' walk from Yachiyo-Chuo Station to City Hall.

  • about 200,000 people

The city says City Hall is a 10-minute walk from Yachiyo-Chuo Station on the Toyo Rapid Railway (updated 12 May 2026). The Keisei Main Line and the Toyo Rapid Railway Line run through the city, and the latter opened in April 1996. The city's access guide gives about 40 minutes by rapid train from Otemachi Station on the Tokyo Metro Tozai Line.

People living here
199,498people
19952020

+3.3% since 2015

154,509 → 199,498

Area
51.39km²

46.27km² of it habitable

2024

Households
85,158households

2.3 people per household

2020

Rent (average for rentals)
58,315yen

National average 60,630 yen

2023

Healthcare
10 hospitals / 129 clinics

7.0 per 10,000 people

2023

Area51.39km²Habitable land46.27km² / 90%
Area and habitable land at the same scalee-Stat B1101 / B1103
Children waiting for childcare
—23 nurseries and similar
Home purchase subsidy
—
Average annual temperature
—

These 3 items are waiting on a nationwide data source. We do not fill them with estimates.

Shape

Borders 6 municipalities.

Yachiyo City in Japan35.722°N 140.100°E
OsakaYachiyo City
Territory of Yachiyo City
Boundaries: National Land Numerical Information (Administrative Area Data), MLIT. Processed by Machigatari.Lakes: National Land Numerical Information (Lake Data), MLIT. Processed by Machigatari. Prepared with the approval of the Director-General of the Geospatial Information Authority of Japan, using its Digital Map 25000 (Spatial Data Framework) and Digital Map 25000 (Place Names and Public Facilities). (承認番号 平27情使、第585号)

North to south

10.2km

Travel times per leg are not published by the municipality, so they are not shown.

Yachiyo City isthis kind of town.

  1. 01The Tenpo 7 (1836) village map of Yonamoto, held by the city museum, is where the river's name first appears in a legend. The canal works began in 1724 with a petition by Genemon of Hirato Village and were tried three times in the Edo period
  2. 02At Takatsuhime Shrine, the Hatsukabisha of 20 January keeps the whole sequence of archery, handing over the token and the feast, and the city calls it a valuable event
  3. 03Nenokami Shrine Kofun in Murakami is a 50 m keyhole-shaped mound with its central part cut away for the shrine, and a precept stone at Chofukuji in Yonamoto warns off wandering performers

If something caught your eye, ask the town itself.