Public bathhouse · Open
O-yu
- Day-use bathing
- Yes
- Fee
- ¥300checked 2026-10-09
- Hours
- 6:30–21:30checked 2026-10-09
Photo information
Hokuriku & Koshinetsu · Onsen area
Bessho Onsen
べっしょおんせん · 別所温泉
Nagano · 上田市
Status unconfirmed100 Onsen to Know Japan — No. 51
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Official classification
Spring type (therapeutic classes)
Official spring-type name (as recorded)Simple sulfur hot spring (hypotonic, alkaline, high temperature)
- Source temperature
- 51.3°C
- pH
- Unconfirmed
- Flow rate
- Unconfirmed
- Radon
- Unconfirmed
Appearance & feel
Water colour · Feel
Unconfirmed
Colour and feel are listed only where a source states them. They vary by day and by bath.
What makes it special
Step off a one-line country railway and three 300-yen public baths and Japan's only surviving octagonal pagoda are all within walking distance.
Why?
The Bessho Onsen Tourism Association lists O-yu, Daishi-yu and Ishi-yu at 300 yen each; the octagonal three-storey pagoda at Anrakuji is the only pre-modern octagonal pagoda still standing in Japan (designated a National Treasure in 1952, Nagano's first). The Ueda Dentetsu Bessho Line ends at Bessho-Onsen Station, 11.6 km from Ueda.[2][7][8]
Facilities in this area
Facilities come from the register (Wikipedia, OpenStreetMap, official sites). Those marked "natural spring unconfirmed" are listed on the basis of their name only.
Public bathhouse · Open
Daishi-yu
- Day-use bathing
- Yes
- Fee
- ¥300checked 2026-10-09
- Hours
- 6:00–21:00checked 2026-10-09
Public bathhouse · Open
Ishi-yu
- Day-use bathing
- Yes
- Fee
- ¥300checked 2026-10-09
- Hours
- 6:30–21:30checked 2026-10-09
Day-use bath · Open
Aisome-no-yu
- Day-use bathing
- Yes
- Fee
- ¥650checked 2026-10-09
- Hours
- 10:00–22:00checked 2026-10-09
Getting there
Reachable by public transport
At Ueda (Hokuriku Shinkansen / Shinano Railway) change to the Ueda Dentetsu Bessho Line and ride to its terminus, Bessho-Onsen Station (11.6 km, 590 yen one way); two trains an hour on weekday daytimes. The village is a walk from the station.
- Getting there
- Bessho-Onsen Station ·
- Through the year
- At about 570 m; expect snow and icy roads in winter
- Checked
- 2026-10-09
About the water
The tourism association posts the water as a simple sulfur spring at 51.3 °C, mildly alkaline. It contains sulfur but a low total of dissolved minerals, so the smell is gentle and the water is on the mild side. The public baths draw on different sources (No. 3, No. 4 and the O-yu source); only Daishi-yu is posted as entirely free-flowing. The posted indications include neuralgia, muscle pain and chronic skin conditions, and there are drinking indications too, but these are listings, not promises.
Indications (as posted on the analysis)
Posted indications: neuralgia, muscle pain, frozen shoulder, motor paralysis, stiff joints, bruises, sprains, chronic digestive disorders, haemorrhoids, sensitivity to cold, convalescence, fatigue, general health. Bathing: chronic skin and gynaecological conditions, cuts, diabetes. Drinking: diabetes, gout, constipation (as posted by the association)
Indications are an official statement based on the water analysis, not a guarantee of treatment. They are kept separate from opinions.
| Source | Source temperature | pH | Radon | Checked |
|---|---|---|---|---|
| Bessho Onsen (representative value posted by the association) | 51.3 | Unconfirmed | Unconfirmed | no check date |
Three things not to miss
Photo information
The three public baths: O-yu, Daishi-yu, Ishi-yu
In the village, a few minutes' walk apart All three cost 300 yen. Daishi-yu runs source No. 3 as pure free-flowing water; O-yu uses source No. 4 plus its own O-yu source, and Ishi-yu uses source No. 4 (free-flowing with filtration). Closed Wednesday (O-yu), Tuesday (Ishi-yu) and Thursday (Daishi-yu). Coin-return lockers for valuables.
Each bath carries the name of a historical figure (the warlord Kiso Yoshinaka, the monk Jikaku Daishi, the samurai Sanada Yukimura), and the public-bath culture that served the local lords in the Edo period continues unchanged.[2][5]
The octagonal pagoda at Anrakuji
Anrakuji temple grounds, walkable from the village Built at the end of the 13th century, the oldest Zen-style building in Japan and the only pre-modern octagonal pagoda still standing. Admission 300 yen; 8:00–17:00 March–October, 8:00–16:00 November–February.
Nagano's first National Treasure building (1952). Tree-ring dating shows timber felled in 1289, placing it in the era of the Shioda Hojo clan who ruled here in the Kamakura period.[7][8]
Photo information
Kitamuki Kannon and the Nanakuri foot bath
Village centre A temple to Kannon said to have been founded in 825 by the monk Ennin (Jikaku Daishi). Below the approach is the free Nanakuri foot bath (6:00–21:00 March–October, 9:00–18:00 November–February).
The foot bath is named after 'Nanakuri-no-yu', the spring mentioned in the Pillow Book. Temple approach and hot spring side by side say everything about how faith and bathing have shared this place.[2][7][6]
The story
Nanakuri-no-yu and 'the Kamakura of Shinshu'
Two stories explain Bessho's beginnings: a legend that the hero Yamato Takeru found the spring on his eastern campaign, and the claim that this is the 'Nanakuri-no-yu' named in the eleventh-century Pillow Book alongside Arima and Tamatsukuri. Under the Shioda branch of the Hojo clan, who governed here in the Kamakura period, the temples of Anrakuji, Jorakuji and Kitamuki Kannon were built up, and the density of temples earned the valley the nickname 'the Kamakura of Shinshu'. Tree-ring dating shows the octagonal pagoda at Anrakuji was built from timber felled in 1289, a survivor of that prosperous age.[7][8][5]
From the lords' baths to the village baths
From the Edo to the Meiji period Bessho had several public baths (O-yu, Gensai-yu, Daishi-yu, Ishi-yu, Kuga-yu) used by the local lords for toji, long therapeutic stays. The three that remain each carry a famous name: O-yu is linked to the twelfth-century general Kiso Yoshinaka, Daishi-yu to the monk Jikaku Daishi, and Ishi-yu to Sanada Yukimura, whose 'hidden bath' it is said to have been. The baths are run by the Bessho Onsen property ward, each at 300 yen, and children up to primary-school age bathe free on the 26th of every month. There is no soap or towel in the baths; buy them at the counter.[7][2]
A simple sulfur spring from three sources
The association posts the water as a simple sulfur spring (hypotonic, alkaline, high temperature) at 51.3 °C. The three public baths use different sources: Daishi-yu runs source No. 3 as pure free-flowing water, Ishi-yu uses source No. 4, and O-yu blends source No. 4 with its own O-yu source, the latter two combining free flow with filtered recirculation. Comparing three sources and three ways of handling the water within one small village is part of Bessho's appeal.[3][2]
At the end of the line
The Ueda Dentetsu Bessho Line is an 11.6 km single-track railway from Ueda, ending at Bessho-Onsen Station. Its bridge over the Chikuma River collapsed in the typhoon of October 2019, and the whole line reopened in March 2021. Since the March 2025 timetable there are two trains an hour on weekday daytimes; the fare is 590 yen one way. One change from the Shinkansen at Ueda and you are there, which makes Bessho one of the easiest hot-spring villages to reach without a car.[8][9][10]
Going solo
Easy for solo travellersUnconfirmed
Weekend / peak restrictionsUnconfirmed
Where to eat dinnerUnconfirmed
Private bathUnconfirmed
checked 2026-10-09
Through the year
Recommended months
JanFebMarAprMayJunJulAugSepOctNovDec
Months open
JanFebMarAprMayJunJulAugSepOctNovDec
"Recommended" and "open" are recorded separately. Check the season for seasonal springs.
Jul — The Dake-no-nobori rain-prayer festival (over 500 years old) on the Sunday nearest 15 July; the Bessho Gion festival the day before. Hanging-ornament displays from early July to early August
Aug — 9 Aug: Shimanrokusennichi rite at Kitamuki Kannon; 13–16 Aug: bon dancing in the temple grounds; 10–16 Aug: lantern festival
Dec · Jan · Feb — The O-yu Yakushi foot bath closes December–March; Nanakuri runs 9:00–18:00 November–February. New Year's Eve prayers at Kitamuki Kannon
Oct · Nov — Mid-October: a recited-poetry offering at Kitamuki Kannon; autumn colours
Food, culture & experiences
Anrakuji octagonal pagoda (National Treasure)
300 yen; 8:00–17:00 Mar–Oct, 8:00–16:00 Nov–Feb. Zazen meditation sessions are offered[7][8][6]
Walkable from the village (time not confirmed)Kitamuki Kannon and Jorakuji
A Kannon temple said to date from 825. Its parent temple Jorakuji charges 100 yen; the Jorakuji museum opens 9:00–16:00 (closed July and 26 Dec–end Feb). The Aizen katsura tree in the grounds is said to be 1,200 years old[7][12]
Village centreDake-no-nobori festival
A rain-prayer festival more than 500 years old, held on the Sunday nearest 15 July[6]
In the villageUeda Castle and the town of Ueda
At the other end of the Bessho Line: the castle ruins of the Sanada clan. The Ueda Sanada Festival is in late April[6][8]
By train from Bessho-Onsen to Ueda (11.6 km)Editors' guide
Walk up from the station to Kitamuki Kannon and pause at the Nanakuri foot bath below the approach. Bathe at Daishi-yu (pure free-flowing water), see the octagonal pagoda at Anrakuji, then come down past Jorakuji to O-yu. Each public bath closes on a different weekday (O-yu Wed, Ishi-yu Tue, Daishi-yu Thu), so check before you arrive.
The "editors' guide" above is written by the editors from sources; it is not a visitor's opinion.
Photo gallery
Visitor reviews
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Onsen areas nearby
Unconfirmed & notes
- pH value, flow rate and analysis date could not be read on official pages
- Walking time from the station and train journey time were not confirmed officially
- Tattoo policy and notices on added water, heating or disinfection were not confirmed for any facility; Aisome-no-yu's spring type is also unconfirmed
- Solo-stay terms at individual inns not confirmed
Sources
- 別所温泉観光協会 公式サイト別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 外湯めぐり別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 温泉の泉質と効能別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 あいそめの湯別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 歴史別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 年間行事別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 神社仏閣別所温泉観光協会 · 2026-10-09
- 安楽寺 (上田市) - WikipediaWikipedia · 2026-10-09
- 上田電鉄 運賃表上田電鉄 · 2026-10-09
- 上田電鉄別所線 - WikipediaWikipedia · 2026-10-09
- 別所温泉観光協会 宿泊別所温泉観光協会 · 2026-10-09
- 別所温泉観光協会 散策別所温泉観光協会 · 2026-10-09
- 別所温泉 - WikipediaWikipedia · 2026-10-09
Register sources
- 別所温泉 - Wikipedia(日本語版)Wikipedia · CC BY-SA 4.0 · 2026-10-09
- Wikidata Q11396788Wikidata · CC0 · 2026-10-09
Data status
Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesPublishedVisiting info (dated)PublishedEditorial articlePublished
Updated 2026-10-09
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