1. Kudamatsu City

 A coastal city on the Seto Inland Sea in eastern Yamaguchi Prefecture—industry meets ocean. With a warm, sunny climate, it hosts coastal industries such as shipbuilding and chemicals alongside the natural shores of Kasado Island.

Basics

  • Kana: くだまつし
  • English: Kudamatsu City
  • Area: Eastern Yamaguchi (Seto Inland Sea side)

① Climate

Reference: JMA climate normals 1991–2020 / Tokuyama station (approximate)

  • Annual mean temperature: 16.3 °C
  • Highest monthly mean: August ~ 28.0 °C / Lowest monthly mean: January ~ 5.8 °C
  • Relative humidity: Peak July ~ 82% / Lowest February ~ 67%
  • Annual snowfall: Low (0 to a few cm per year)
  • Sunshine: Longest around Oct–Nov
  • Annual precipitation: ~ 1,780 mm (Max: July ~ 260 mm / Min: January ~ 65 mm)

② Landform

 Facing the Seto Inland Sea, the city features inlets and low hills around Kasado Bay.
 Kasado Island extends from the east and is linked to the mainland by a sea bridge.
 Much of the area consists of gentle hills and marine terraces with residential districts.
 A warm climate and the proximity of sea and mountains typify the Setouchi landscape.

③ Industry

 A coastal industrial cluster (shipbuilding, chemicals, machinery) lines the waterfront, while commerce and services spread inland. Marine leisure and camping on Kasado Island are popular.
Local specialties

  • Kasado flounder (hirame): Premium locally farmed fish.
  • Kasado wakame: Seaweed from the Seto Inland Sea.
  • Mikan (mandarin oranges): Grown along the warm coast.

④ Local culture

 Known since old times as a “stargazing town,” with legends of seven stars.
 With shipbuilding heritage, sea-related faith and festivals thrive.
 On Kasado Island, sea rituals give thanks for maritime bounty.

  • Kasadojima Odori: A dance rooted in island sea worship.
  • Hoshifurusato Ondo: A modern folk song themed on the city’s star legend.
  • Hanaoka Shishi-mai (lion dance): A vigorous dance offered at autumn festivals.

2. Main transportation

JR Sanyō Main Line (listed west → east)

To Shūnan / Yamaguchi
Kudamatsu
To Iwakuni / Hiroshima

JR Gantoku Line (listed west → east)

To Shūnan / Yamaguchi
Suo-Hanaoka Ikunoya Suo-Kubo
To Iwakuni / Hiroshima

JR Sanyō Main Line serves the city (primary hub: Kudamatsu Station). Rapid/local transfers provide access to nearby cities. Adjust station lists to operations as needed.

Airports (domestic)

  • Iwakuni Kintaikyo Airport (Iwakuni City)

Expressways / Motorways

No IC / JCT within city limits

Major roads (cross-municipality)

  • National Route 188: Sea-side arterial linking Iwakuni – Hikari – Shūnan (passes city center)
  • National Route 2: East–west link between Shūnan and Iwakuni (incl. bypass)

Port / Sea routes

3. Festivals & Events

Spring
Kudamatsu Flower & Green Festival
City center & parksOfficial
Summer
Kasado Island Fireworks on the Sea
Around Kasado BayOfficial

Dates may vary by year. Please check the organizers’ / tourism sites for the latest information.

4. Sights

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