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Taiki 大樹町 | |
|---|---|
Town | |
Taiki Town hall | |
Location of Taiki inHokkaido (Tokachi Subprefecture) | |
| Coordinates:42°30′N143°17′E / 42.500°N 143.283°E /42.500; 143.283 | |
| Country | Japan |
| Region | Hokkaido |
| Prefecture | Hokkaido (Tokachi Subprefecture) |
| District | Hiroo |
| Area | |
• Total | 816.38 km2 (315.21 sq mi) |
| Population (September 30, 2016) | |
• Total | 5,742 |
| • Density | 7.033/km2 (18.22/sq mi) |
| Time zone | UTC+09:00 (JST) |
| Climate | Dfb |
| Website | www |
Taiki (大樹町,Taiki-chō) is atown located inTokachi Subprefecture,Hokkaido,Japan.

The name of the town comes from theAinu word for "place where many trees grow."[1]
Japanese prospectors began searching for gold in Taiki in the 1630s.Tadataka Ino surveyed the surrounding area in 1800, andTakeshiro Matsuura led an exploratory expedition in 1858.[2]
Taiki was initially organized as a county within the newly created prefecture ofHokkaido in August 1869.[2] Taiki Village was created in October 1928 and elevated to town status in April 1951.[2]
Railway service to Taiki began in 1930 and continued until 1987.[2]
Taiki has a total area of 815.67 km²; its highest point is 1,794m above sea level.[1] The town is located between theHidaka Mountains to the west and thePacific Ocean to the east, with the Rekifune River passing through the town center.
| Climate data for Taiki (1991−2020 normals, extremes 1977−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 9.0 (48.2) | 12.5 (54.5) | 17.0 (62.6) | 29.1 (84.4) | 32.7 (90.9) | 35.2 (95.4) | 34.9 (94.8) | 35.8 (96.4) | 33.4 (92.1) | 26.3 (79.3) | 21.4 (70.5) | 16.3 (61.3) | 35.8 (96.4) |
| Mean daily maximum °C (°F) | −1.8 (28.8) | −1.0 (30.2) | 3.3 (37.9) | 10.1 (50.2) | 15.8 (60.4) | 18.3 (64.9) | 21.7 (71.1) | 23.3 (73.9) | 20.8 (69.4) | 15.4 (59.7) | 8.5 (47.3) | 1.0 (33.8) | 11.3 (52.3) |
| Daily mean °C (°F) | −8.8 (16.2) | −7.8 (18.0) | −2.2 (28.0) | 4.5 (40.1) | 9.9 (49.8) | 13.4 (56.1) | 17.3 (63.1) | 18.8 (65.8) | 15.7 (60.3) | 9.4 (48.9) | 2.7 (36.9) | −5.3 (22.5) | 5.6 (42.1) |
| Mean daily minimum °C (°F) | −16.8 (1.8) | −16.8 (1.8) | −9.4 (15.1) | −1.8 (28.8) | 3.8 (38.8) | 8.8 (47.8) | 13.6 (56.5) | 15.0 (59.0) | 10.9 (51.6) | 3.4 (38.1) | −3.4 (25.9) | −12.3 (9.9) | −0.4 (31.3) |
| Record low °C (°F) | −29.1 (−20.4) | −29.8 (−21.6) | −26.2 (−15.2) | −16.0 (3.2) | −5.2 (22.6) | −1.0 (30.2) | 4.5 (40.1) | 6.2 (43.2) | −1.1 (30.0) | −6.6 (20.1) | −17.5 (0.5) | −28.1 (−18.6) | −29.8 (−21.6) |
| Averageprecipitation mm (inches) | 33.7 (1.33) | 26.9 (1.06) | 49.2 (1.94) | 71.2 (2.80) | 107.1 (4.22) | 109.0 (4.29) | 132.9 (5.23) | 166.2 (6.54) | 202.2 (7.96) | 128.5 (5.06) | 72.9 (2.87) | 46.3 (1.82) | 1,146 (45.12) |
| Average snowfall cm (inches) | 162 (64) | 139 (55) | 130 (51) | 44 (17) | 3 (1.2) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 25 (9.8) | 123 (48) | 627 (247) |
| Average rainy days | 5.7 | 5.0 | 7.2 | 8.6 | 9.4 | 8.6 | 10.6 | 11.5 | 11.1 | 9.6 | 8.6 | 6.5 | 102.4 |
| Average snowy days | 16.7 | 15.2 | 14.6 | 4.9 | 0.3 | 0 | 0 | 0 | 0 | 0 | 3.3 | 12.4 | 67.4 |
| Mean monthlysunshine hours | 162.6 | 157.9 | 187.2 | 177.6 | 174.8 | 137.9 | 116.1 | 122.7 | 136.2 | 163.0 | 154.8 | 154.0 | 1,844.8 |
| Source 1:JMA[3] | |||||||||||||
| Source 2:JMA[4] | |||||||||||||

Taiki's mascot isCospy (コスピー,Kosupī). She is a bright and gentle cosmos flower fairy. She usually ends her sentences with "pi" (ぴ). Her dream is to joinJAXA. Her birthday is October 1.[5][6]
As of the 2020 census, the town had apopulation of 5,420, a decline of 318 from the previous census in 2015. The total number of households grew from 2,534 to 2,593 over the same time period.[1]
The Taiki economy has historically been driven by agriculture, forestry, and fishing.
Taiki is a dairy hub for the Tokachi region, andMegmilk Snow Brand operates a large dairy plant in Taiki.
The town hosts the rocket launch site forInterstellar Technologies, theTaiki Aerospace Research Field (Hokkaido Spaceport), which is aJAXA facility.[7][8]
Bansei Onsen, a natural hot spring bath facility, operates on the Pacific coast of Taiki.
Taiki's main transport connections are theObihiro-Hiroo Expressway, which as of 2023 terminates in Taiki,Japan National Route 336 toKushiro andHiroo, andJapan National Route 236 toObihiro andUrakawa. The closest airport isTokachi-Obihiro Airport.
Taiki Station was a stop on the JNRHiroo Line between Obihiro and Hiroo until the closure of the line in 1987. The town currently has no rail service. Tokachi Bus provides bus service to Obihiro and Hiroo.
TheJapan Ground Self-Defense Force operates a training facility in Taiki.
Taiki is home to the prefectural Taiki Senior High School, and the town-run Taiki Junior High School and Taiki Elementary School.
Japanese startup Interstellar Technologies is investigating the failure of its Momo suborbital sounding rocket, which blew up immediately after liftoff on its second flight on June 30 at Taiki-cho on Hokkaido.