Major city · Japan
Tomioka富岡
Spend a half‑day in Tomioka to see the UNESCO Silk Mill and nearby shrine; one full day is enough for the zoo and museum.
Tomioka, in southwestern Gunma, offers a compact set of attractions – the historic Silk Mill (UNESCO), Nukisaki Shrine, Gunma Safari Park and a natural history museum – all reachable by the non‑JR Jōshin Line. A single day covers the main sights; a half‑day works if you only visit the mill and shrine.
More
More ways in
Local time, weather, currency, airports
- Weather
- see forecast
- Currency
- JPY
- Best months
- Apr–Oct
- avoid Jul–Aug (heat)
- Airport
- TAK
- Nights
- 1
Not a trip line yet
Rules in force · 5
- East Asia ↗Every border in East Asia is a full international border, Hong Kong and Macau included: an entry permission for one never covers the next.
- East Asia ↗Ferries between Korea, Japan and China cancel in rough seas and typhoons; keep a flight or a spare day behind every sea leg.
- Japan ↗IC cards (ICOCA/Suica) are topped up with cash at station machines.
- Japan ↗Smoking while walking is banned in most city centres; use designated areas.
- Japan ↗Shinkansen bags 160–250 cm (L+W+H) need a seat reserved with the oversized-baggage area.
Entry rules depend on your passport. Full visa guide
What is in this basic guide9 covered · 4 not yet ▾
In this guide
Not in this guide yet
- Walking areas with bag rules
- Day plans checked against opening hours
- Airport-to-bed timings and the last safe connection
- Field-checked times and prices
Official sites
Emergency numbers for Tomioka110 ▾
Tap a number to call from your phone. These are the numbers listed in this guide; a row marked check has not been verified.
EssentialsQuick answers and what things cost
Essentials
Quick answers and what things cost
Quick answers
The questions people ask first about Tomioka, one line each. Tap a card for the full answer.
- Cash or card?Cities are increasingly cashless; temples, small restaurants and some lodging taxes still want cash.Japan-wide
- SIM or eSIMData-only eSIMs are the easy route: buy before you fly; voice SIMs need a residence card.Japan-wide
- Tap waterSafe from the tap everywhere; stations and parks have fountains.Japan-wide
- TippingRestaurants and bars: No tip; staff will chase you to return money left on the table.Japan-wide
- Plugs & powerSockets A/B. US/Canada (A/B): fits · UK/Ireland (G): adapter · Australia/NZ (I): adapter. 100 V: UK and AU 230 V-only devices need a converter; most chargers are dual-voltage.Japan-wide
- SafetyGenerally safe; stay alert at crossings and watch for occasional summer heat.
Show all 12 answers
- RestroomsFree, clean public toilets in stations, parks and konbini; paper goes in the toilet.Japan-wide
- Emergency numbers110 police · 119 fire and ambulance (not 911, 999 or 000)
- Sundays & holidaysMuseums close on Mondays (Tuesday when Monday is a holiday); many family restaurants close one weekday, often Tuesday or Wednesday…Japan-wide
- Your embassyFind your embassy's 24-hour line before you fly.
- AirportTAK Takasaki Airport (Domestic airport with limited service; nearest to Tomioka (≈20 km (12 mi)).).TAK Takasaki Airport (Domestic airport with limited service; nearest to Tomioka (≈12 mi (20 km)).).
- Getting aroundJōshin Railway (40 min, ¥790 (≈ US$6) one‑way) is the main link; free bike rentals at several stations.
Cost cheat-sheet
Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.
- Museum or sight ticketTomioka Silk Mill entrylast admission 16:30last admission 4:30 PM¥1,000 (≈ US$7)
- Budget bedStandard hotel room (double), a night, per room¥8,000 (≈ US$55)
- Mid-range bedStandard hotel room (double), a night, per room¥13,000 (≈ US$90)
- High-end bedStandard hotel room (double), a night, per room¥25,000 (≈ US$170)
A day, not counting the bed: Budget ¥5,000 (≈ US$35) · Mid ¥8,000 (≈ US$55) · High ¥12,000 (≈ US$85)
Local prices, with USD next to them (rates 2026-09 (approximate); change it in the header). Ranges are desk estimates: check locally. Every price and the budget calculator →
DecideWhat it is known for, and when the weather works
Decide
What it is known for, and when the weather works
At a glance
What the city is known for, how you fly in, and where to find the phrases.
- Airports
- TAK Takasaki Airport (Domestic airport with limited service; nearest to Tomioka (≈20 km (12 mi)).)TAK Takasaki Airport (Domestic airport with limited service; nearest to Tomioka (≈12 mi (20 km)).)
Best months at a glance
From the guide's best and avoid lists
Jan
not flagged
8°C (46°F)46°F (8°C)
Feb
not flagged
9°C (48°F)48°F (9°C)
Mar
not flagged
13°C (55°F)55°F (13°C)
Apr
Best
19°C (66°F)66°F (19°C)
May
Best
24°C (75°F)75°F (24°C)
Jun
Best
27°C (81°F)81°F (27°C)
Jul
Care
31°C (88°F)88°F (31°C)
Aug
Care
32°C (90°F)90°F (32°C)
Sep
Best
28°C (82°F)82°F (28°C)
Oct
Best
22°C (72°F)72°F (22°C)
Nov
not flagged
16°C (61°F)61°F (16°C)
Dec
not flagged
11°C (52°F)52°F (11°C)
Best: Apr–Jun, Sep–Oct. Mixed: Jul–Aug. Month by month →
Warmest Aug (32°C (90°F)90°F (32°C)), coolest Jan (−2°C (28°F)28°F (−2°C) low), wettest Jun (13 rain days), driest Jan (4). Averages, not a forecast.
Weather and climate
Tomioka: next 7 days
Loading forecast…
Forecast: Open-Meteo (CC BY 4.0), model data for this point.
Air quality
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Model estimate (CAMS via Open-Meteo), not a street-level station; readings near busy roads run higher.
Jan
8°C (46°F)46°F (8°C)
−2°C (28°F)28°F (−2°C)
4 rd
Feb
9°C (48°F)48°F (9°C)
−1°C (30°F)30°F (−1°C)
5 rd
Mar
13°C (55°F)55°F (13°C)
2°C (36°F)36°F (2°C)
8 rd
Apr
19°C (66°F)66°F (19°C)
8°C (46°F)46°F (8°C)
9 rd
May
24°C (75°F)75°F (24°C)
13°C (55°F)55°F (13°C)
10 rd
Jun
27°C (81°F)81°F (27°C)
18°C (64°F)64°F (18°C)
13 rd
Jul
31°C (88°F)88°F (31°C)
22°C (72°F)72°F (22°C)
13 rd
Aug
32°C (90°F)90°F (32°C)
23°C (73°F)73°F (23°C)
10 rd
Sep
28°C (82°F)82°F (28°C)
19°C (66°F)66°F (19°C)
11 rd
Oct
22°C (72°F)72°F (22°C)
12°C (54°F)54°F (12°C)
8 rd
Nov
16°C (61°F)61°F (16°C)
6°C (43°F)43°F (6°C)
5 rd
Dec
11°C (52°F)52°F (11°C)
1°C (34°F)34°F (1°C)
4 rd
High / low, both scales · rd = rain days
Arrive & moveAirports are listed under At a glance; this is how to move once you are in
Arrive & move
Airports are listed under At a glance; this is how to move once you are in
Getting around
Jōshin Railway (40 min, ¥790 one‑way) is the main link; free bike rentals at several stations. No IC‑card acceptance; buy tickets on board or at stations.
Nearest full guides
Straight-line distance, not travel time
See & doDay-trips, door to door
See & do
Day-trips, door to door
Day-trips
Takasaki
goDoor to door: ≈30 min total
Jōshin Line from Jōshū‑Tomioka, about 20 min, ¥790 (≈ US$6) one‑way
Station near Takasaki city centre; good for shopping and additional museums.
Shimonita
goDoor to door: ≈45 min
Jōshin Line northbound, 3 stops, about 25 min, ¥790 (≈ US$6)
Rural town with hot springs and river scenery.
Annaka
goDoor to door: ≈35 min
Jōshin Line southbound, 2 stops, about 15 min, ¥790 (≈ US$6)
Historic castle town and gateway to the Usui Pass.
Eat & sleepWhich area to sleep in
Eat & sleep
Which area to sleep in
Where to sleep
Areas, not hotels: pick the one that fits your arrival time and plans.
Takasaki hotels
Nearest city with many options; 15‑20 min by Jōshin Line to Tomioka.
PracticalWhat a day costs, what to watch out for, and the pocket card
Practical
What a day costs, what to watch out for, and the pocket card
Cost per day
- Budget
- ¥5,000–8,000 (≈ US$35–55) excl. bed
- Mid
- ¥8,000–12,000 (≈ US$55–85) excl. bed
- High
- ¥12,000 (≈ US$85)+ excl. bed
Trip budget
| Standard hotel room (double)1 × 1 night × ¥13,000 | ¥13,000 |
| Food, local transport, entries1 × 1 day × ¥8,000 | ¥8,000 |
| Jōshin Line round‑trip Takasaki‑Tomioka1 × ¥1,580 · Combination ticket includes Silk Mill entry | ¥1,580 |
| Bike rental (full day)1 × ¥500 · check | ¥500 |
| Buffer 10%Price creep, a taxi you did not plan, one splurge | ¥2,310 |
| Trip total≈ ¥25,390 per person per day, bed included | ¥25,390≈ US$180 |
2026 estimate in yen; transport and entry fees included.
Prices of common things
| Tomioka Silk Mill entrylast admission 16:30last admission 4:30 PM | ¥1,000 (≈ US$7) |
| Gunma Safari Park entryincl. guide radio | ¥2,700 (≈ US$19) |
| Gunma Museum of Natural History entry | ¥510 (≈ US$4) |
2026 estimate; check locally.
Watch out
Safety
- Jōshin Line not covered by JR Pass; use Tokyo Wide Pass if eligible.
- IC cards (Suica, Pasmo) not accepted on the line.
- Safari Park closed Wednesdays; check opening dates.
Emergency numbers
- Police
- 110
- Fire and ambulance
- 119
Pocket card
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Tomioka富岡
Pocket card · Voykit
My bed tonight
—
—
—
ここまでお願いしますTo this address, please
Emergency
- Police110
- Fire and ambulance119
Embassy
US consulate in Osaka; other embassies in Tokyo.
My embassy: —
Fare anchors (2026 estimate)
- Takasaki → Jōshū‑Tomioka (Jōshin Line): ¥790 (≈ US$6), 40 min, one‑way (check)
Say or show
- すみません — Excuse me / Sorry (sumimasen)
- ありがとうございます — Thank you (arigatō gozaimasu)
- いくらですか？ — How much is it? (ikura desu ka)
- トイレはどこですか？ — Where is the toilet? (toire wa doko desu ka)
Deep diveWhat this guide covers so far, and its sources
Deep dive
What this guide covers so far, and its sources
Not a trip line yet
This is a basic guide: no airport-to-bed contract, walking clusters or day plans are published for Tomioka. Airport, fare and schedule details are unverified; check the operators before you fly.
What we know, and what is coming
On this page
- Best months: Apr–Oct · avoid Jul–Aug (heat) · month by month →
- 1 airport and 1 area to sleep in
- Weather: a 7-day forecast and monthly averages
- Cost per day in 3 bands
- 3 day-trips, door to door
- 3 things to watch out for, with emergency numbers
Coming as the guide grows
- An airport-to-bed path that says whether a late landing still works
- Walking clusters with bag rules
- Day plans checked against opening hours
- Field-verified times and fares
Sources
- officialWikidata Tomioka
- officialTomioka Silk Mill official site
- officialGunma Safari Park site
- officialGunma Museum of Natural History
- secondaryWikivoyage: Tomioka, revision 5238579 (CC BY-SA 4.0)
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