Aterazawa, castle town and quay, Oe Town
Article

06324 / おおえまち

Yamagata Prefecture 西村山郡

Oe Town

Yonezawa Domain set a boat house here.

Aterazawa, castle town and quay

Photo by Indiana jo (CC BY-SA 4.0)

01 / Fossil

The bones found on the Mogami riverbedwere a new species of sea cow.

In August 1978, a pupil of Aterazawa Elementary School found a fossil in the Mogami River in Oe. A researcher at Howard University in the US identified it as a new species of sea cow, and it was named Yamagata Daikaigyu. It is about 3.8 m long, held by the Yamagata Prefectural Museum, and a prefectural Natural Monument.

  • Found in August 1978
  • About 3.8 m long
  • Prefectural Natural Monument

02 / Castle ruins

Excavations at Aterazawa Tateyama Castlefound a building thought to be its main hall.

The castle ruins overlook the Mogami River and are a national historic site. Enclosures, cut slopes and ditches remain in good condition. The town says it was built by the Aterazawa family, a branch of the Oe clan, and that excavations confirmed its use from the late 15th to the early 17th century.

  • National historic site, 2009
  • Used late 15th to early 17th century
  • Enclosures, cut slopes and ditches remain

03 / Temple gate

The gate of Kokai-in Temple is said to bethe main gate of the former castle.

Temple gate in Oe Town
Photo by Indiana jo (CC BY-SA 4.0)

The gate is designated by the town. It is said to be a gate of the castle built by Sakai Naotsugu, lord of the Aterazawa domain. It is estimated to have been built between 1622 and the early Kan'ei era, and moved to the temple around 1648.

  • Town-designated, 1989
  • Built 1622 to early Kan'ei era (estimated)
  • Moved around 1648 (estimated)

Oe Town from the sky

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

Wide (about 6 km across)

Close (about 1.5 km across)

2019 (shot FY2019)Shot 1974–78

Source: Geospatial Information Authority of Japan (GSI) GSI Tiles(年度別空中写真(2019年度)/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

About 45 minutes to Yamagata City from the terminus.

  • about 8,000 people
  • Rural district town

The only railway station in the town is Aterazawa Station on the JR Aterazawa Line. It is the terminus of the line, and the town says the JR Aterazawa Line takes about 45 minutes from Aterazawa to Yamagata City. The town measures 24 km east to west and 16 km north to south, and about 80 percent of it is forest.

People living here
7,646people
19952020

−9.7% since 2015

10,537 → 7,646

Area
154.08km²

29.07km² of it habitable

2024

Households
2,543households

3.0 people per household

2020

Rent (average for rentals)
—
Healthcare
0 hospitals / 4 clinics

5.2 per 10,000 people

2023

Area154.08km²Habitable land29.07km² / 19%
Area and habitable land at the same scalee-Stat B1101 / B1103
Children waiting for childcare
—3 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 5 municipalities.

Oe Town in Japan38.381°N 140.207°E
TokyoOsakaOe Town
Territory of Oe Town
Boundaries: National Land Numerical Information (Administrative Area Data), MLIT. Processed by Machigatari.

North to south

15.4km

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

Oe Town isthis kind of town.

  1. 01The Aterazawa townscape opened where the Tsukinuno River meets the Mogami River. A Yonezawa Domain boat house stood at its quay, and it thrived as a place where cargo was transferred between boats. It was selected as a national Important Cultural Landscape in 2013
  2. 02The Yamagata Daikaigyu fossil was found in the Mogami River in 1978 and is a prefectural Natural Monument held by the Yamagata Prefectural Museum. Aterazawa Tateyama Castle is a national historic site where excavations found a building thought to be its main hall
  3. 03The gate of Kokai-in Temple is a town-designated structure said to be the main gate of the former castle. The only station in the town is Aterazawa Station on the JR Aterazawa Line, about 45 minutes from Yamagata City according to the town

If something caught your eye, ask the town itself.