Hokkaido Places

Town Sorachi Subprefecture

Kamisunagawa 上砂川町

かみすながわちょう

Kamisunagawa has the smallest land area of any municipality in Hokkaido12. It is a former Mitsui coal town in the hills of central Sorachi. After the mine closed, its 710-metre shaft was converted into a drop-shaft microgravity laboratory3, and its little railway terminus became the fictional "Kanashibetsu Station" of Kuramoto Sō's 1984 television drama4.

Population (2020 Census)
2,841
Area
39.98 km²
District
Sorachi District (空知郡)
Official website
town.kamisunagawa.hokkaido.jp

Known for

  • Coal mining. Mitsui Mining ran the Sunagawa mine here from 1914 until it closed in July 1987, ending 73 years of mining. The population peaked at 32,103 in 19529.
  • The JAMIC microgravity facility. The Japan Microgravity Center (地下無重力実験センター) dropped capsules down a 710 m shaft in the old mine3. Its roughly 10 seconds of weightlessness was described as a world record at the time8. A crater on the asteroid Itokawa is named "Kamisunagawa" after the town11.
  • "Kanashibetsu Station" (悲別駅). Much of the fictional mining town of "Kanashibetsu" in Kuramoto Sō's (倉本聰) NTV drama Kinō, Kanashibetsu de (『昨日、悲別で』, 1984) was filmed in Kamisunagawa, and the now-preserved Kamisunagawa Station played "Kanashibetsu Station"412. Earlier it was also used for the film Eki STATION (『駅 STATION』, 1981)13.
  • Hokkaido's smallest municipality by area18.
  • Kamisunagawa-dake Onsen "Panke no Yu" (上砂川岳温泉 パンケの湯), a town hot spring with a sauna, a restaurant and guest rooms14.
  • The Kamisunagawa-dake Japanese Garden (上砂川岳日本庭園), a 20,000 m² landscape garden15.
  • Shiitake and cheese. Wikipedia lists these as the town's named products8, and the mascot Shi-tan is a shiitake mushroom10.

Sights & activities

Nature & scenery

  • Kamisunagawa-dake Japanese Garden (上砂川岳日本庭園). A 20,000 m² garden with:

    • landscape stones, a three-tier waterfall, a zig-zag yatsuhashi bridge and an azumaya pavilion;
    • the 40 m "Wild Bird Bridge" (野鳥の橋), where about 18 bird species can be heard, including the Japanese bush warbler.

    It is open from May to late October15. The chamber of commerce says azaleas, satsuki, irises and a plum grove are planted there33. Enquiries go to Panke no Yu.

  • Kamisunagawa Water Source Park (上砂川町水源公園). A quiet "hidden spot" in the grounds of the water purification plant. It has a pond stocked with rainbow trout and an azumaya pavilion. It opens 9:00–18:00 from 1 June to 31 August and 9:00–17:00 in other seasons. It is closed in winter34.

Onsen

  • Kamisunagawa-dake Onsen "Panke no Yu" (上砂川岳温泉 パンケの湯). Address: 字上砂川65番地106, tel. 0125-62-2526.
    • Hours: weekdays 10:00–22:00; weekends and holidays 9:00–22:00. Last entry is 21:30.
    • Admission: adults ¥500, elementary pupils ¥300, preschoolers free.
    • Discount days: on "Panke Day", every date ending in 8, adults pay ¥250 and children ¥150.
    • Food: the restaurant "Panke" is open 11:00–14:00 and 17:00–20:00, and you can eat there without paying for the bath.
    • Parking is free14.
    • The spring is a sodium-bicarbonate cold mineral spring (ナトリウム-炭酸水素塩冷鉱泉). The source is about 11 °C, so it is heated and recirculated. The main bath and cold plunge use spring water; the bubble bath uses tap water. There is also a large sauna35.
    • Guest rooms come in Japanese-style, Western-style and a large "special room". Book by phone; a web request form is also available, but a booking is confirmed only when the inn calls back. Dinner adds ¥3,000 and breakfast ¥1,000 to the room-only rate36.

Museums & heritage

  • Kamisunagawa Coal Mine Museum (かみすながわ炭鉱館). Exhibits on the town's mining history. It opens May–October on Saturdays, Sundays, holidays and during Obon, 10:00–16:00. Entry is free. There are no resident staff. Special openings for group and school events can be requested in advance with an application form, but are not guaranteed (Planning Division, tel. 0125-62-2223)37.
  • Former Kamisunagawa Station / "Kanashibetsu Station" (旧上砂川駅・悲別駅). A blue-roofed station building that still has the timetables and ticket gate from the 1984 drama shoot, plus location photos. It opens May–October: weekdays 9:00–17:00, weekends and holidays 9:00–16:00. It is closed November–April4. The building was moved in 1996 and turned 90°. A caboose (ヨ8055) and a mail/baggage coach (スユニ60 218) are preserved beside the platform13.
  • Mining heritage. The central shaft tower of the Mitsui Sunagawa mine, built in 1967 and later used by JAMIC, still stands20. Kamisunagawa is not one of the 14 member municipalities of the "Tantetsukō" (炭鉄港) Japan Heritage story on Hokkaido's coal, steel and ports38. Neighbouring Utashinai and Akabira are members.

Outdoor & seasonal activities

  • Okuzawa Campground (奥沢キャンプ場). A free forest campsite at 字西山43番地7, next to the Japanese garden and the onsen. It is open May–October, depending on snow. Facilities: parking for 5–7 cars, toilets, a cooking area, hearths and a campfire site. Contact Panke no Yu39. The chamber of commerce also mentions two log cabins33.
  • Okuzawa Park Golf Course (奥沢パークゴルフ場). Two courses with 18 holes, certified by the International Park Golf Association.
    • Season: late April to early November.
    • Hours: 8:30–16:00; closed Thursdays.
    • Fees: adults ¥200, children ¥100, club rental ¥20040.

Food experiences

  • Machi-no-Eki Furatto (まちの駅ふらっと). A community café at 中央北1条4丁目1-5. It opens 10:00–17:00, with meals from 11:00, and is closed Thursdays and Sundays. Its Kamisuna Curry is the dish to try22.
  • Restaurant "Panke". Japanese, Western and Chinese standards at the hot spring. Banquet sets start at ¥3,00014.

Roadside stations (Michi-no-Eki)

No Michi-no-Eki is located in Kamisunagawa. None of the stations on the official Hokkaido roadside-station list has an address in the town41. The nearest ones are:

  • Utashinai Chirol no Yu (道の駅うたしないチロルの湯). In Utashinai (歌志内市字中村72番地2), on the Akabira–Naie prefectural road. That road is Hokkaido Route 114, which also runs through Kamisunagawa8.
    • Shop hours: 9:00–18:00 April–October and 10:00–16:00 November–March, as of September 2026. Check before visiting.
    • Closed Mondays (Tuesday if Monday is a holiday) and over New Year.
    • It adjoins the Chirol no Yu hot spring, which has day bathing, outdoor baths and lodging.
    • The station reopened after renovation on 8 April 202542.
  • House Yaruvi Naie (道の駅ハウスヤルビ奈井江). In Naie on National Route 12, roughly at the midpoint of the 29.2 km stretch billed as Japan's longest straight road.
    • Hours: 8:30–18:00.
    • Café Mimizuku serves handmade ice cream (vanilla, corn, pumpkin). There is also a ramen shop and a "Milk Factory" stand, which closes from December to March.
    • Facilities: parking for 38 cars and 20 large vehicles, Wi-Fi, a dog run, and a stamp available 24 hours43.
  • Takikawa (道の駅たきかわ) in Takikawa and Star Plaza Ashibetsu (道の駅スタープラザ芦別) in Ashibetsu are also within a short drive41.

Note that the town's own "Machi-no-Eki Furatto" (まちの駅, "town station") is a community café and hub, not a registered Michi-no-Eki22.

Getting there & around

  • Rail. No railway has served the town since 1994. The nearest station is JR Sunagawa Station (砂川駅) on the Hakodate Main Line. One or two limited expresses (Kamui/Lilac, カムイ・ライラック) stop there each hour, taking about 47 minutes to Sapporo and 38 minutes to Asahikawa19. The old branch line ran 7.3 km from Sunagawa to Kamisunagawa21.
  • Bus. Hokkaido Chuo Bus's Utashinai Line (歌志内線, Takikawa office) runs from Takikawa Station via Sunagawa City Hospital and the Chūō 1-chōme (中央1丁目) stop in central Kamisunagawa to Utashinai and Akabira. The 2026 summer timetable (valid to 30 November 2026) shows several trips a day44. Chuo Bus's separate Kamisunagawa Line (上砂川線) to Sunagawa, which had replaced the rail branch line, was abolished on 30 September 20224521.
  • Car. The nearest interchange is Naie-Sunagawa IC (奈井江砂川IC) on the Dō-Ō Expressway (道央自動車道)2. Driving times are about 70 minutes from Sapporo and about 90 minutes from Chitose16. No national route enters the town. Access is by Hokkaido Route 114 (Akabira–Naie Line) and Route 115 (Ashibetsu–Sunagawa Line)8.
  • Air. New Chitose Airport is in Chitose, which the chamber of commerce puts about 90 minutes away by expressway16.
  • Getting around. The town runs a shared taxi (乗り合いタクシー) on weekdays only. It is open only to people registered as residents of the town and their carers, so most visitors cannot use it. There are four trips a day to Sunagawa, including Sunagawa City Hospital (¥300), and nine trips a day within town, including Panke no Yu (¥200). Book by phone by 5 pm the day before for morning trips or by 10:00 the same day for afternoon trips (北星三星交通, 0125-35-9091)45. For most visitors a car is by far the easiest option.

Practical tips

  • When to go. The best time is May to October. That is when the Coal Museum, the old station, the Japanese garden and the campground are open. Plan around the fireworks and bon-odori on 13 August or the autumn Maranic in October. Panke no Yu is open all year.
  • Winter. Expect heavy snow; nearby Takikawa averages more than 8 m of snowfall a season24. Most outdoor sights close from November to April.
  • Road closure (as of September 2026). The town road Uzura–Shimo-Uzura Line (町道鶉下鶉線) is fully closed near Uzura 34-5 / Midorigaoka 4-jō 3-chōme from 1 July to early December 2026 for culvert works46.
  • Wildlife. The town's plan includes controls on problem wildlife (有害鳥獣対策), working with local hunters to prevent brown-bear damage and culling sika deer and raccoons23. Treat forest areas around the campground, garden and Henke-yama as brown-bear and deer country: carry a bell and drive carefully at dusk.
  • Coal Museum visits. The museum has no permanent staff. Outside regular days, groups and school events can apply in advance for a special opening, which is not always possible37.

More about Kamisunagawa

At a glance
Field Details
Type (種別) Town (町)
Subprefecture (振興局) Sorachi (空知総合振興局)
District (郡) Sorachi District (空知郡)
Population (人口) 2,841 in the 2020 Census (令和2年国勢調査)5. The resident register (住民基本台帳) counted 2,160 people in 1,388 households at the end of August 20266.
Area (面積) 39.98 km² (GSI figure as of 1 April 2026), the smallest of Hokkaido's municipalities1. Some older references give 39.91 km²7.
Density (人口密度) About 54 people/km² (August 2026 register) and about 71/km² (2020 Census), calculated from the figures above
Municipal history (沿革) The coalfield was found in 1887. Farm settlers arrived from Uzura village in Fukui in 1897 according to Wikipedia; the town's own plan gives 189982. The town was created on 1 January 1949 from the eastern part of Sunagawa Town and part of Utashinai Town8. It has had no mergers since.
Neighboring municipalities (隣接自治体) Sunagawa, Utashinai, Naie, Ashibetsu9
Symbols (町のシンボル) Town flower: moss phlox (シバザクラ). Town tree: Japanese elm (ハルニレ). Both were designated in February 19799. No town bird was found. The town emblem dates from 1 January 1953: its rhombus is the "black diamond" of coal and its three parallelograms stand for the Panke-Utashinai River2.
Mascot (ゆるキャラ) Shi-tan (し～たん), a shiitake mushroom character10
Official website https://town.kamisunagawa.hokkaido.jp/

Name origin
  • "Sunagawa" is a translation of an Ainu river name. The mother town, Sunagawa, was named after the Ainu name Ota-us-nay (オタウシナイ). The local chamber of commerce explains it as ota "sand", us "many" and nay "river"16. Japanese Wikipedia instead reads it as "river attached to a sandy beach" (砂浜・についている・川)17. Either way, "Sunagawa" (砂川, "sand river") is a Japanese rendering of the name.
  • "Kami-" (上, "upper") means upstream. The town lies upstream of Sunagawa on the Panke-Utashinai River (パンケウタシナイ川)98.
  • The name started as a station name. When Mitsui's coal railway opened in 1918, the government railway planned to call its terminus "Uzura" (鶉), after the local farm settlement. Mitsui, which owned the Sunagawa mine, wanted "Sunagawa" in the name. "Kamisunagawa" was chosen because the site was upstream of Sunagawa. The station name soon spread to the whole district and was adopted as the town name in 194913.
  • Related names. The neighbouring city of Utashinai takes its name from the same river name, in the form Otashinai18. The Uzura (鶉) district, where the first settlers from Uzura village in Fukui Prefecture took up land, shares their home village's name8. Henke-yama, the town's highest peak, is said to take its name from Penke-so-omap (ペンケソーオマプ), an old name for the upper Panke-Utashinai River18.

History
  • Before settlement. No archaeological sites or Ainu settlements specific to the town were found in the sources consulted. In the late 1880s the area had almost no houses. The whole coal district, including present-day Utashinai, was generally called Ota-us-nay or Otashinai19. No Edo-period trading post is documented for this inland valley.
  • 1887. Hokkaido government engineers found the Kamisunagawa coalfield208.
  • 1897 (May). Yamauchi Jinnosuke (山内甚之助) and eight others from Uzura village, Sakai District, Fukui Prefecture (福井県坂井郡鶉村) settled in today's Uzura district. Wikipedia treats this as the founding of Kamisunagawa (開基)8. The town's own plan dates the settlement to 1899 (明治32年)2.
  • 1898–1914. Mitsui began surveying the coal in 1898 and opened its Sunagawa mining office in 19038. Full operations by Mitsui Mining began in 1914 (大正3年)9.
  • 1918–1926. Mitsui's private coal railway reached Kamisunagawa on 5 November 1918; construction was finished in June 1919, and the town's page on the old station dates the line to 1919 (大正8年)214. On 1 August 1926 it became the Kamisunagawa Branch of the Hakodate Main Line and began carrying passengers21.
  • 1936 and 1947. A gas explosion on 14 January 1936 killed 20 miners. An underground fire in 1947 killed 118.
  • 1940. Coal output peaked at about 1.6 million tonnes a year20.
  • 1949 (1 January). Kamisunagawa Town was separated from Sunagawa Town (the Kamisunagawa districts and parts of Higashi-Naie and Uzura) and Utashinai Town (parts of Nishiyama and Monju)8.
  • 1952. Population peaked at 32,1039.
  • 1964 and 1967. Hydraulic (water-jet) mining was introduced in 1964, and the central shaft (中央立坑) was built in 196720.
  • 1970–1971. The Kamisunagawa-dake Onsen public health centre opened in December 1970, followed by the Kamisunagawa-dake International Ski Area in December 19718.
  • 1981 and 1984. Kamisunagawa Station was used as a filming location for Eki STATION13 and then Kinō, Kanashibetsu de12.
  • 1987 (14 July). The Mitsui Sunagawa mine closed20. The population had already fallen below 10,000 in 19852.
  • 1991–2003. JAMIC ran microgravity experiments in the old mine20. Japanese Wikipedia's town article dates the JAMIC era to 1989–20038.
  • 1994 (16 May). The 7.3 km Kamisunagawa Branch Line closed. It was the first JR Hokkaido trunk-line closure since privatisation21. The station building was moved in 1996 and preserved13.
  • 2003. After the last mine-related companies left, the population fell below 5,0002.
  • 2008. The ski area closed after the 2007 season8.
  • 2009 (18 February). The IAU approved the crater name "Kamisunagawa" on Itokawa11.
  • 2017 (November). The multi-generation community hub "Machi-no-Eki Furatto" (まちの駅ふらっと) opened22.
  • 2021 (6 May). A new town hall opened8.
  • 2023 (March). The town declared itself a Zero Carbon City23.
  • 2025. The 8th Comprehensive Plan (FY2025–2034) set the vision "a small town taking on the challenge of a bright future" (小さな町の輝く未来へ挑戦するまち)2.

Geography & climate

  • Setting. Kamisunagawa lies near the centre of Sorachi, between Sapporo and Asahikawa2. The Yubari Mountains (夕張山地) run north–south along its eastern side. The Panke-Utashinai River rises on Henke-yama and flows west through the northern part of town to join the Ishikari River. The town centre stretches along this valley, and the rest of the town is mountain and forest8.

  • Mountains. Henke-yama (辺毛山, 811 m) is the highest point of both Kamisunagawa and Utashinai18. Other peaks are Goryō-yama (御料山, 621 m), Imosese-yama (妹ヶ瀬山, 281 m) and Miyagi-yama (宮城山, 181 m). Streams include the Nishiyamazawa, Nabe-no-sawa and Naezawa8. The sources consulted list no national or quasi-national park in the town.

  • Climate. The town describes itself as relatively mild with comparatively little snow, because mountains to the north and south block strong winds92. There is no JMA weather station in town. At the station in nearby Takikawa, the 1991–2020 normals24 are as follows.

    • Annual mean temperature 7.0 °C.
    • January mean −6.9 °C, with a mean daily low of −11.7 °C.
    • August mean 20.7 °C, with a mean daily high of 26.0 °C.
    • Annual precipitation 1,156 mm.
    • Total snowfall 844 cm a season, with a mean maximum snow depth of 114 cm.

    Expect a real Sorachi winter.

Economy & industry
  • After coal. Coal was the town's only core industry. After the 1987 closure the town recruited companies to create new jobs, and more than ten firms now operate here25.
  • Employment in 2010. The town had 1,179 workers, down from 2,265 in 1995. By sector:
    • Primary industry: 33 (31 in farming).
    • Secondary industry: 333, including 172 in construction and 156 in manufacturing.
    • Tertiary industry: 81125.
  • Major companies26 and their employees as of 2024 are listed below.
    • Microglass Hokkaido factory: medical glass and blades, 132 employees.
    • Dexerials Photonics Solutions Kamisunagawa: optical communication and sensing devices, 63 employees.
    • Kyoei Food Hokkaido factory: commercial panko (パン粉), 18 employees.
    • Sphelar Power: spherical solar cells.
    • Robot Systems: labour-saving robot systems.
  • Shiitake. Wikipedia lists local businesses that make artificial logs for shiitake growing and grow mushroom-bed shiitake (上砂川バイオ, 上砂川ファーム). Its source is an older prefectural industrial-park guide8.
  • Plan baselines23 for FY2023 are listed below.
    • 70 business establishments.
    • 224 people employed at town companies.
    • About 95,000 tourist visits, with a target of 100,000 by FY2029.
    • 448 furusato nōzei donations.
  • Furusato nōzei totals. By March 2025 the program had received 1,559 donations worth ¥89,003,000 in total27.
  • Population and ageing.
    • The population fell from 9,459 in 1985 to 2,841 in 2020.
    • The ageing rate (65 and over) was 51.3% in 2020.
    • The total fertility rate for 2018–2022 was 1.32.
    • The national institute IPSS (社人研) projects 1,630 people in 2035 and 895 in 2050. The town's target for 2035 is 1,7502.
  • Revitalisation efforts23 include the following.
    • A monthly market, the "Kamisunagawa Seikatsu Marché" (かみすながわ生活マルシェ).
    • A share house for people on work-experience stays.
    • Community revitalisation cooperators (地域おこし協力隊).
    • Housing subsidies.
    • Support for events built around Panke no Yu.

Local specialties
Specialty Category Details & where to get it
Shiitake mushrooms (しいたけ) Produce Listed by Wikipedia as a named product, grown locally on mushroom beds8. It also inspired the mascot Shi-tan10.
Flavoured cheeses (チーズ3種) Dairy / furusato gift Three washed-rind cheeses, washed with Islay whisky, apple brandy and sake from Kinteki Shuzo (金滴酒造) in Shintotsukawa, also in Sorachi, offered as a furusato nōzei gift. The town's page calls them "Kimagure Bokujō's three cheeses" (きまぐれ牧場3種のチーズ) and says the milk comes from Sunagawa27. Cheese is also listed as a town product8. Where the producer is based was not confirmed.
Smoked rainbow trout (ニジマス燻製) Freshwater fish / furusato gift Smoked over cherry-wood chips, with no additives27
Rainbow trout soy sauce (ニジマス醤油) Seasoning / furusato gift Made from the stock of smoked rainbow trout farmed in Kamisunagawa; a furusato nōzei gift27
"Kamisuna Curry" (かみすなカレー) Local dish Signature dish of the café at Machi-no-Eki Furatto, a community hub in the town centre22
Panko (パン粉) Food manufacturing Panko for commercial use (業務用) made at the Kyoei Food Hokkaido factory26
Panke no Yu pair stay (パンケの湯ペア宿泊券) Furusato gift One night with two meals for two at the town hot spring2714

Culture & festivals
Event When Highlights
Winter festival: "Yukinko Matsuri in Kamisunagawa" (雪ん子まつりin上砂川), called 上砂川冬まつり in 2026 Early to mid-February. The 13th edition was on Saturday 1 February 2025; the 2026 festival was on 7 February. Held around the Industrial Activation Centre (産業活性化センター) and the square in front of the old station. There is a giant snow slide, food trucks, treasure hunts for children and adults, rock-paper-scissors and bingo contests, mochi-pounding, and paper lanterns lit at 5 pm282930
Costume Bon Odori & Fireworks (仮装盆踊り花火大会) 13 August every year The town's biggest event. It has costumed bon-odori dancing with prizes, a children's bon-odori, games, a beer party and a closing fireworks display2923
Kamisunagawa Gurutto Kōyō Maranic (かみすながわぐるっと紅葉マラニック) October; the 4th edition is on 10 October 2026 A run-and-picnic ("maranic") through autumn colours on 7, 12 and 23 km courses starting and finishing at Panke no Yu. The courses pass the Water Source Park, Japanese Garden, Coal Museum and park golf course, and the aid stations serve mainly local products. The entry fee (¥3,000–5,000; ¥1,000 off for residents) includes insurance, the aid stations and an onsen bath. About 300 people joined the 2nd edition3123
Kamisunagawa Seikatsu Marché (かみすながわ生活マルシェ) Monthly Market run by the town's project manager and community revitalisation cooperators23
Kamisunagawa Photo Contest (フォトコンテスト) Annual; the 2025 winners have been announced Photos that rediscover the town's scenery3223

Arts, museums and traditions.

  • In summer the Coal Museum (炭鉱館) passes on the mining story to children. It also shows paintings and other work by residents23.
  • The Fukui roots of the Uzura district and the town's legacy as a Mitsui company town are the main strands of local identity.
  • Shrine and temple details could not be confirmed from the sources consulted.

Ainu heritage

Little is documented about Ainu life in Kamisunagawa itself. The Ainu legacy survives mainly in place names:

  • Ota-us-nay ("sandy river"), behind both Sunagawa and Utashinai1619.
  • The Panke-Utashinai River.
  • Penke-so-omap, the old name behind Henke-yama18.

The town has no Ainu cultural facility. The national Ainu museum and park, Upopoy, is in Shiraoi.

Sister & friendship cities
  • Sparwood, British Columbia, Canada (スパーウッド町). Sister city since 23 September 1980. The link came through the hydraulic coal-mining technology of Mitsui's Sunagawa mine.
    • Five resident delegations visited Sparwood between 1980 and 2000, 61 people in all.
    • Sparwood delegations came in 1981 and 1999.
    • A curling instructor was invited in 1991.
    • Students were exchanged in 2000–200147.
  • Domestic: none found.

Notable people
  • Watanabe Jun'ichi (渡辺淳一), novelist (Shitsurakuen 『失楽園』). Born on 24 October 1933 in what was then Sunagawa Town and is now Kamisunagawa48.
  • Yamagishi Ryōko (山岸凉子), manga artist (Arabesque, Hi Izuru Tokoro no Tenshi 『日出処の天子』). Born in Kamisunagawa on 24 September 194749.
  • Chiaki Minoru (千秋実), actor (Seven Samurai, Rashomon). Born in present-day Bifuka, he moved to Kamisunagawa as a small child and spent his elementary-school years there50.
  • Others. Wikipedia also lists writer Shigekane Yoshiko (重兼芳子), manga artist Asari Yoshitō (あさりよしとお) and medical scientist 秋野豊明8. English Wikipedia lists drummer Ikuro Takahashi7.

Sources

Numbers in the text link to these sources. Figures as of 23 September 2026

  1. 令和8年全国都道府県市区町村別面積調（4月1日時点） — 国土地理院 Geospatial Information Authority of Japan JA accessed 2026-09-23
  2. 第8期上砂川町総合計画 2025-2034（基本構想・人口の将来展望） — 上砂川町 Kamisunagawa Town JA accessed 2026-09-23
  3. Japan Microgravity Centre — Wikipedia EN accessed 2026-09-23
  4. 旧 上砂川駅(悲別駅) — 北海道上砂川町 公式ホームページ JA accessed 2026-09-23
  5. 統計&資料 — 北海道上砂川町 公式ホームページ JA accessed 2026-09-23
  6. 令和8年度住民基本台帳人口 — 北海道上砂川町 公式ホームページ JA accessed 2026-09-23
  7. Kamisunagawa, Hokkaido — Wikipedia EN accessed 2026-09-23
  8. 上砂川町 — Wikipedia JA accessed 2026-09-23
  9. 上砂川町の概要 — 北海道上砂川町 公式ホームページ JA accessed 2026-09-23
  10. し～たんのプロフィール（上砂川町） — Kawaii Hokkaido / TANOSHII!! Hokkaido JA accessed 2026-09-23
  11. Kamisunagawa (crater on Itokawa) — Gazetteer of Planetary Nomenclature, IAU/USGS EN accessed 2026-09-23
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