Tsumagoi, Gunma / 万座温泉
Manza Onsen
A hot-spring resort at 1,800 m near the Nagano border, with over 20 sources of about 80°C water among the richest in sulphur in Japan; each inn draws its own spring, so colour and feel vary.
Last official check
25 Sept 2026
Traveler reports
0
Reports open in Phase 2
Next scheduled check
24 Dec 2026
Decide before you go
A short summary made from the official facts below. Check the rows for details.
- Getting there
- Train / Bus / Car
Before you go
Only facts we confirmed on official sources are shown. Anything else is listed under “Not yet confirmed”.
- Getting there
About 40 minutes by bus from Manza-Kazawaguchi Station (JR Agatsuma Line); about 100 minutes by car from Usui-Karuizawa IC.
Checked 25 Sept 2026 on a tourism board site- Not yet confirmed
Opening hours, Closed, Admission, Parking, Payment, Accessibility
we have not confirmed this on an official source yet. Check with the spot before you go.
Found wrong or outdated information? Let us know
Address: Tsumagoi, Gunma (Japanese address: 群馬県嬬恋村鎌原710-136)
Official site: https://gunma-kanko.jp/spots/22
Location
Smaller pins are other spots nearby.
Nearby spots
- No photo yetSainokawara Open-air BathGunma7 km away (straight line)
Photo: Photo ACSainokawara ParkGunma7 km away (straight line)- No photo yetNetsunoyu Yumomi ShowGunma8 km away (straight line)
Photo: Aspere / Wikimedia Commons, CC0 (cropped and resized)Yubatake, Kusatsu OnsenGunma8 km away (straight line)
Photo: 雷太 / Wikimedia Commons, CC BY 2.0 (resized)Chatsubomigoke Moss ParkGunma8 km away (straight line)
Distances are straight-line distances, not travel distances.
Crowds
- Not yet confirmed
Crowd level, Best time to visit, Peak time, Busiest days, Busiest season
no official source yet, and not enough traveler reports.
- Latest traveler report
- None yet
Traveler crowd data by time of day appears after 5 traveler reports (0 so far).
You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps
Visiting respectfully
- Local etiquetteThe Yumeguri pass lets you compare the baths of several inns; after bathing you can walk to Ushiike pond and the Kumashiro cave.Checked 25 Sept 2026 on a tourism board site
Verification log
- 25 Sept 2026First check · Tourism board · https://gunma-kanko.jp/spots/22Access, description and coordinates read from a tourism organization's site.