赤湯温泉 山口館
1,029 m · Yuzawa, Niigata · 2.4 km from the summit of Mount Akakura
A seasonal hot-spring mountain lodge at about 1,031 m beside the Kiyotsu River southeast of Mt. Naeba in Yuzawa, Niigata. It requires hiking gear and is about two hours on foot from the end of the Akazawa forest road, or 3 hours 40 minutes from the Motohashi bus stop. Known as a lamplit lodge, it has three outdoor baths: Aoyu, Yakushiyu and Tamago-no-yu.
2026: open April 25–November 5
Website: www.e-yuzawa.gr.jp ／ Phone 025-772-4125
Prices (2026)
- Day-use bathing
- ¥500
赤湯温泉 山口館 weather (hourly, 14 days)
Sunrise today 06:10, sunset 16:47
| Tue, 11/3 | Wed, 11/4 | Thu, 11/5 | Fri, 11/6 | Sat, 11/7 | Sun, 11/8 | Mon, 11/9 | Tue, 11/10 | Wed, 11/11 | Thu, 11/12 | Fri, 11/13 | Sat, 11/14 | Sun, 11/15 | Mon, 11/16 | Tue, 11/17 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Japan time | 15 | 17 | 19 | 21 | 23 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | |
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| Temperature | °C | 6° | 4° | 2° | 2° | 3° | 3° | 3° | 3° | 4° | 9° | 11° | 12° | 11° | 7° | 6° | 7° | 7° | 8° | 11° | 15° | 15° | 10° | 10° | 10° | 9° | 9° | 11° | 11° | 10° | 8° | 6° | 4° | 3° | 1° | 1° | 2° | 1° | 0° | 0° | 0° | 0° | 1° | 2° | 4° | 3° | 2° | 2° | 2° | 2° | 2° | 6° | 5° | 2° | 3° | 6° | 6° | 3° | 1° | 2° | 2° | 1° | 1° | 3° | 3° | 0° | 3° | 2° | 2° | 1° | -1° | 5° | 7° | 0° | 1° | 9° | 9° | 6° | 7° | 9° | 6° | 1° | 0° | 2° | 4° |
| Precipitation | mm | 0.4 | 0.3 | 0.3 | 10 | 5 | 0.9 | 1.4 | 0.1 | 0.4 | 0.8 | 1.0 | 2.7 | 1.9 | 1.7 | 2.0 | 4.9 | 2.3 | 0.6 | 1.3 | 0.8 | 0.7 | 0.5 | 0.3 | 0.3 | 0.1 | 0.2 | 0.6 | 0.7 | 0.1 | 0.8 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 4.7 | 4.6 | 8 | 3.5 | 1.4 | 0.4 | 0.5 | 11 | 4.6 | 1.2 | 0.1 | 5 | 5 | 0.9 | 11 | 14 | 2.9 | ||||||||||||||||||||||||||||||||
| New snow | cm | 0.2 | 0.3 | 0.1 | 0.8 | 0.5 | 0.5 | 0.4 | 0.2 | 0.2 | <.1 | <.1 | <.1 | <.1 | 0.3 | 0.3 | <.1 | 3.5 | 4.2 | 5.2 | 1.2 | 0.2 | <.1 | 7.3 | 3.5 | 0.7 | 0.1 | 2.4 | 1.4 | <.1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Snow depth | cm | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | <1 | <1 | <1 | <1 | <1 | 1 | 1 | 1 | 1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | 1 | 1 | <1 | <1 | <1 | <1 | <1 | 0 | 2 | 4 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 8 | 10 | 10 | 9 | 9 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 2 | <1 | 2 | 3 | 3 | 2 |
| Wind | m/s | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 0 | 2 | 1 | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 3 | 1 | 1 | 3 | 4 | 2 | 1 | 9 | 7 | 4 | 2 | 2 | 3 | 2 | 1 | 3 | 5 | 3 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 3 | 3 | 2 | 6 | 5 | 3 | 1 | 1 |
| Wind gusts | m/s | 10 | 9 | 7 | 5 | 4 | 4 | 4 | 4 | 3 | 4 | 5 | 7 | 10 | 17 | 20 | 22 | 19 | 15 | 13 | 8 | 5 | 6 | 7 | 4 | 5 | 5 | 7 | 9 | 9 | 8 | 10 | 11 | 11 | 14 | 16 | 17 | 17 | 16 | 14 | 13 | 12 | 12 | 12 | 11 | 12 | 10 | 6 | 5 | 5 | 6 | 5 | 9 | 8 | 5 | 11 | 15 | 14 | 11 | 29 | 27 | 21 | 11 | 6 | 9 | 8 | 8 | 11 | 15 | 15 | 11 | 6 | 6 | 7 | 7 | 8 | 7 | 12 | 15 | 11 | 19 | 18 | 16 | 9 | 6 |
| Wind dir. | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | |
Facilities and rooms
- Open
- 2026: open April 25–November 5
- Hot spring
- 3 outdoor baths: Aoyu, Yakushiyu and Tamago no Yu. Day bathing available
- Parking
- 7–8 standard car spaces at end of Akasawa Forest Road; approx. 2-hour walk to hut
- Location
- 36.814408, 138.721597