Shosanbetsu 初山別村 | |
|---|---|
Shosanbetsu village hall | |
![]() Location of Shosanbetsu inHokkaido (Rumoi Subprefecture) | |
| Coordinates:44°31′56″N141°45′59″E / 44.53222°N 141.76639°E /44.53222; 141.76639 | |
| Country | Japan |
| Region | Hokkaido |
| Prefecture | Hokkaido (Rumoi Subprefecture) |
| District | Tomamae |
| Area | |
• Total | 279.52 km2 (107.92 sq mi) |
| Population (January 31, 2025) | |
• Total | 1,005 |
| • Density | 3.595/km2 (9.312/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 96-1, Shosanbetsu, Shosanbetsu-mura, Tomamae-gun, Hokkaido 078-4492 |
| Climate | Dfb |
| Website | Official website |
| Symbols | |
| Flower | Azalea |
| Tree | Japanese rowan |


Shosanbetsu (初山別村,Shosanbetsu-mura) is avillage located inRumoi Subprefecture,Hokkaido,Japan. As of 31 January 2025[update], the village had an estimatedpopulation of 1,005 in 501 households, and apopulation density of 3.6 people per km2.[1] The total area of the village is 279.52 km2 (107.92 sq mi).
Teshio is located in the northern part of Rumoi jurisdiction in northern Hokkaido, on theSea of Japan coast.
Main rivers: Furenbetsu River, Shosanbetsu River, Mochibetsu River
Shosanbetsu has aHumid continental climate (KöppenDfb) characterized by cold summers and cold winters with heavy snowfall. The average annual temperature in Shosanbetsu is 7.1 °C. The average annual rainfall is 1563 mm with September as the wettest month. The temperatures are highest on average in August, at around 20.4 °C, and lowest in January, at around -5.0 °C.[2]
| Climate data for Shosanbetsu, elevation 27 m (89 ft), (1991−2020 normals, extremes 1977−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 8.2 (46.8) | 11.3 (52.3) | 15.4 (59.7) | 22.0 (71.6) | 27.4 (81.3) | 32.8 (91.0) | 33.2 (91.8) | 33.8 (92.8) | 32.0 (89.6) | 22.8 (73.0) | 19.4 (66.9) | 12.3 (54.1) | 33.8 (92.8) |
| Mean daily maximum °C (°F) | −1.5 (29.3) | −1.0 (30.2) | 2.7 (36.9) | 8.9 (48.0) | 15.0 (59.0) | 18.9 (66.0) | 22.8 (73.0) | 24.2 (75.6) | 21.2 (70.2) | 14.9 (58.8) | 7.4 (45.3) | 1.0 (33.8) | 11.2 (52.2) |
| Daily mean °C (°F) | −4.6 (23.7) | −4.4 (24.1) | −0.6 (30.9) | 5.1 (41.2) | 10.6 (51.1) | 14.9 (58.8) | 19.0 (66.2) | 20.2 (68.4) | 16.7 (62.1) | 10.9 (51.6) | 4.2 (39.6) | −1.8 (28.8) | 7.5 (45.5) |
| Mean daily minimum °C (°F) | −8.7 (16.3) | −9.1 (15.6) | −4.8 (23.4) | 0.7 (33.3) | 5.9 (42.6) | 10.8 (51.4) | 15.2 (59.4) | 16.3 (61.3) | 12.1 (53.8) | 6.4 (43.5) | 0.8 (33.4) | −5.0 (23.0) | 3.4 (38.1) |
| Record low °C (°F) | −25.4 (−13.7) | −27.7 (−17.9) | −24.2 (−11.6) | −8.7 (16.3) | −3.2 (26.2) | −0.3 (31.5) | 5.3 (41.5) | 5.8 (42.4) | 2.3 (36.1) | −3.2 (26.2) | −10.6 (12.9) | −20.8 (−5.4) | −27.7 (−17.9) |
| Averageprecipitation mm (inches) | 56.7 (2.23) | 43.1 (1.70) | 46.5 (1.83) | 49.2 (1.94) | 72.2 (2.84) | 64.9 (2.56) | 128.8 (5.07) | 136.1 (5.36) | 135.9 (5.35) | 143.6 (5.65) | 135.3 (5.33) | 87.6 (3.45) | 1,109.6 (43.69) |
| Average snowfall cm (inches) | 191 (75) | 148 (58) | 102 (40) | 11 (4.3) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 43 (17) | 164 (65) | 658 (259) |
| Average extreme snow depth cm (inches) | 67 (26) | 75 (30) | 63 (25) | 16 (6.3) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 16 (6.3) | 47 (19) | 81 (32) |
| Average precipitation days(≥ 1.0 mm) | 15.8 | 12.3 | 11.2 | 9.2 | 10.2 | 9.0 | 10.8 | 10.9 | 12.2 | 16.0 | 17.8 | 16.9 | 152.3 |
| Average snowy days(≥ 3.0 cm) | 20.3 | 17.4 | 14.0 | 1.4 | 0 | 0 | 0 | 0 | 0 | 0.1 | 4.9 | 16.7 | 74.8 |
| Mean monthlysunshine hours | 51.2 | 75.8 | 137.3 | 175.6 | 199.5 | 177.3 | 170.4 | 177.4 | 175.5 | 123.8 | 52.0 | 31.4 | 1,543.9 |
| Source 1:JMA[3] | |||||||||||||
| Source 2:JMA[4] | |||||||||||||
Per Japanese census data, the population of Shosanbetsu is as shown below. The village is in a long period of sustained population loss.
| Year | Pop. | ±% |
|---|---|---|
| 1940 | 3,802 | — |
| 1950 | 5,445 | +43.2% |
| 1960 | 5,167 | −5.1% |
| 1970 | 3,512 | −32.0% |
| 1980 | 2,444 | −30.4% |
| 1990 | 2,057 | −15.8% |
| 2000 | 1,764 | −14.2% |
| 2010 | 1,372 | −22.2% |
| 2020 | 1,080 | −21.3% |
The place name of "Shushabetsu" first appears in historical documentation in 1781. It was established as a village onJune 7, 1900.
The village's official interpretation of its name is that it is from theAinu language "Sousanbetsu (waterfall, flowing river)", but the Hokkaido Ainu Policy Promotion Office's "List of Ainu Place Names" lists it as "so-e-san-pet" (waterfall, flowing river), and also lists the view that it may be "so-san-oet" (waterfall, descending river) based on the description of the place by Matsuura Takeshiro, an explorer from the late Edo and Meiji periods.
Shosanbetsu has amayor-council form of government with a directly elected mayor and aunicameral village council of eight members. Shosanbetsu, as part of Rumoi sub-prefecture, contributes one member to the Hokkaidō Prefectural Assembly. In terms of national politics, the town is part of theHokkaidō 10th district of thelower house of theDiet of Japan.
The local economy of Shosanbetsu is centered oncommercial fishing, withpuffer fish and octopus noted local specialities. Agriculture anddairy farming are also conducted.
Shosanbetsu has one public elementary school and one public junior high school operated by the village government. The village does not have a high school.
After the closure of theJapan National Railway Teshio Line in 1987, the village has not had any passenger rail service. The closest train stations areHoronobe orOnoppunai on theJR HokkaidoSōya Main Line.


Shosanbetsu's mascot isSyosamaru (しょさまる) who is an alien bear. Her ears resemble shooting stars. She wears a helmet that resembles the Shosanbetsu observatory, a necklace made of blue honeysuckle and a pochette that resembles a pufferfish. She was designed by Eiichi Shiozaki ofOsaka.[5]
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