Futamata hot spring travertine, Oshamambe Town
Article

01347 / おしゃまんべちょう

Hokkaido 山越郡

Oshamambe Town

Minerals settled into a rock dome.

Futamata hot spring travertine

Photo by 唐山健志郎 (Public domain)

01 / Oshamambe Onsen

Hot water surged upduring a gas test drilling.

Oshamambe Onsen in Oshamambe Town
Photo by Si-take. at Japanese Wikipedia (CC BY-SA 3.0)

The town writes that in 1955, while test-drilling for natural gas, hot spring water erupted by chance along with the gas, and that water from sources found later is piped to the inns. The town has another hot spring, Futamata Radium Onsen, whose open-air bath looks onto a travertine dome.

  • Erupted in 1955
  • By chance during gas drilling
  • Two hot springs of different types

02 / Oshamambe Station

The Hakodate Main Line and theMuroran Main Line split here.

Oshamambe Station in Oshamambe Town
Photo by Mister0124 (CC BY-SA 4.0)

The town writes that the JR Hokkaido Hakodate Main Line and Muroran Main Line branch within the town. Its chronology records that a railway opened in 1903 with a station at Oshamambe, and the town says the Hokkaido Shinkansen station will raise its role as a transport hub.

  • Hakodate and Muroran lines branch
  • Station opened 1903
  • National Routes 5, 37 and 230 meet

03 / Shizukari Wetland

Small ponds lie scattered amongsmall hills of sphagnum moss.

The town describes Shizukari Wetland as Hokkaido's southernmost raised bog, about 10 km from the town center toward Muroran at the foot of Otamoi mountain. It records skunk cabbage in spring, irises and cotton grass in early summer, and sundews.

  • About 10 km from town
  • Raised bog of sphagnum moss
  • Small ponds scattered

Oshamambe 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)

Now (shot April–September 2022)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

A sandy-coast town at the head of Uchiura Bay.

  • about 5,000 people
  • Rural district town

The town writes that it lies at the deepest part of Uchiura Bay on the Oshima Peninsula, facing the bay to the east and bordering Shimamaki Village and Kuromatsunai Town to the north. Most of it is hills, the flat land runs in a band along the sea, and most of the coast is sand. Kunnui, Oshamambe and Shizukari stations in town appear in the JR Hokkaido October 2026 timetable.

People living here
5,109people
19952020

−13.8% since 2015

8,807 → 5,109

Area
310.76km²

61.13km² of it habitable

2024

Households
2,717households

1.9 people per household

2020

Rent (average for rentals)
—
Healthcare
1 hospital / 2 clinics

5.9 per 10,000 people

2023

Area310.76km²Habitable land61.13km² / 20%
Area and habitable land at the same scalee-Stat B1101 / B1103
Children waiting for childcare
—1 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.

Oshamambe Town in Japan42.514°N 140.380°E
TokyoOsakaOshamambe Town
Territory of Oshamambe Town
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

28.6km

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

Oshamambe Town isthis kind of town.

  1. 01The travertine at Futamata hot spring was designated a Hokkaido natural monument in 1965, and the town describes the huge rock face seen from the open-air bath as a travertine dome formed by calcium carbonate settling over many years
  2. 02Oshamambe Onsen began when hot water erupted during natural gas test drilling in 1955, and the town has two hot springs of different types
  3. 03The JR Hakodate Main Line and Muroran Main Line branch within the town, and the town introduces Shizukari Wetland as Hokkaido's southernmost raised bog

If something caught your eye, ask the town itself.

From this town's themes