Susejaana s2.JPG
Article

23201 / とよはしし

Aichi Prefecture

Toyohashi City

Cave said to have held a giant snake.

Susejaana Cave, Jomon cave site

Photo by Alpsdake (CC BY-SA 4.0)

01 / Limonite

Wherever it is found, it is called Takashi-kozo.It was first studied in Toyohashi.

Toyohashi-shi Chikashigen-kan - Internal exhibition - Iron ore "Takashi-kozô".jpg
Photo by Pagoda009 (CC BY-SA 4.0)

Takashi-kozo is limonite formed when iron dissolved in groundwater gathered and hardened around plant roots and stems underground. Typically 2 to 5 cm across and 1 to 10 cm long, Hamaike Park and part of the Takashidai Junior High School grounds in Nishiyuki-cho are designated as a Prefectural Natural Monument.

  • Typically 2-5 cm across, 1-10 cm long
  • Designated sites: Hamaike Park and part of the school grounds
  • Prefectural Natural Monument

02 / Tumulus

From a keyhole-shaped tumulus among persimmon orchards,came gilt-bronze horse gear.

Artifacts excavated from the Magoshinagahizuka Kofun 1.jpg
Photo by 雪野滾滾 (CC0)

The Magoshi Nagahizuka Tumuli are a group of three on a terrace east of the Toyokawa River, the central one a keyhole-shaped tumulus. It became a National Historic Site in 2016, and its excavated artifacts were designated Important Cultural Property in 2012. Iron horse gear with gilt bronze, and beads of amber, crystal and glass, were found.

  • Three tumuli
  • National Historic Site, 2016
  • Artifacts: Important Cultural Property, 2012

03 / Wetland

On a slope ringed by the Yumihari Mountains,a spring-fed wetland spreads.

Imo Wetland (2021-07-12).jpg
Photo by Alpsdake (CC BY-SA 4.0)

Imo Wetland is a spring-fed wetland on a gentle slope about 70 m above sea level, enclosed on three sides by the Yumihari Mountains. It covers about 3.2 ha, and plants found almost only in the Tokai region, such as Tokai-komosengoke and Mikawa-shiogama, grow here. A National Natural Monument, it has been under vegetation restoration work since 2013.

  • About 3.2 ha
  • About 70 m above sea level
  • National Natural Monument, 2021

Living here

Nagoya is 20 minutes by Hikari.

  • about 370,000 people
  • 30 min to a city centre
  • Shinkansen stops here

Hikari and Kodama stop at Toyohashi Station on the Tokaido Shinkansen. The fastest runs are 20 minutes from Nagoya, 81 from Tokyo and 74 from Shin-Osaka (October 2026 timetable; arrivals counted by the station's departure time). City Hall is about 20 minutes on foot from JR Toyohashi Station.

People living here
371,920people
19952020

−0.8% since 2015

352,982 → 371,920

Area
262km²

219.8km² of it habitable

2024

Households
151,377households

2.5 people per household

2020

Rent (average for rentals)
49,393yen

National average 60,630 yen

2023

Healthcare
21 hospitals / 252 clinics

7.3 per 10,000 people

2023

Area262km²Habitable land219.8km² / 84%
Area and habitable land at the same scalee-Stat B1101 / B1103
Children waiting for childcare
—58 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.

ACCESS

Where you can go from here.

Toyohashi City in Japan34.769°N 137.392°E
TokyoToyohashi City
Toyohashi Station
豊橋駅2026
  • to TokyoShinkansen Hikari81min
  • to NagoyaShinkansen Hikari20min
  • to Shin-OsakaShinkansen Hikari74min

Travel times follow JR西日本『JRおでかけネット』区間時刻表(ページの日付は 2026年10月19日・月):東海道・山陽・九州新幹線 下り(https://timetable.jr-odekake.net/line-timetable/1796)・同 上り(line-timetable/2229)。発駅の『発』と豊橋の列の時刻が同じ列車を数え、運転日注意欄が空(印の無い毎日運転)の列車の最速を採った。豊橋の行は『発』だけで『着』が無いので、**到着は豊橋の発時刻で数えた**(停車は1分前後。実際の到着はそのぶん早い可能性がある) (checked 2026-10-19). They vary by time of day.

Shape

Borders 5 municipalities across 1 prefectures.

Territory of Toyohashi City
Boundaries: National Land Numerical Information (N03)

North to south

23.7km

Aichi Prefecture
豊川市, 新城市, 田原市
Shizuoka Prefecture
湖西市, 浜松市

Toyohashi City isthis kind of town.

  1. 01Susejaana is a cave site on a hillside about 140 m above sea level, dating from the Incipient to Early Jomon, and a National Historic Site. It is said to be named for a giant snake that once lived there
  2. 02A designated site for Takashi-kozo lies in Nishiyuki-cho. The city notes that because it was first studied academically in Toyohashi, it is called Takashi-kozo wherever it is found
  3. 03The gilt-bronze horse gear of the Magoshi Nagahizuka Tumuli, the spring-fed Imo Wetland and the Toyohashi Shinmeisha Oni Festival, held each February, all have national designation

See the town as it is now.

Source: Wikidata (P2002, P2003, P2013, P2397)

If something caught your eye, ask the town itself.