Find every mixed onsen in Japan on this map: location and details for each house.
40 places
Find every mixed onsen in Japan on this map: location and details for each house.
Each card has the type (classic, swimsuit, ryokan, river), the house rule, address, and official site.
Ask at the desk before you undress. One house hands you a yuamigi, another keeps the morning for women, the village park wants a swimsuit. Leave the phone outside.
There are 40 places. Outdoors has 31. Classic has 28. Ryokan has 20. Swimsuit has 12. 40 places sit in more than one category. The highest count in one prefecture is 7, in Hokkaido. The places sit in 17 prefectures.
40Places
31Outdoors
28Classic
By category
The same places, split by category.
Outdoors has 31. Classic has 28. Ryokan has 20. Swimsuit has 12.
40 places sit in more than one category.
By category
By category
Places
Percentage
Outdoors
31
77.5%
Classic
28
70.0%
Ryokan
20
50.0%
Swimsuit
12
30.0%
Public park
11
27.5%
No front desk
8
20.0%
Winter only
3
7.5%
Women’s hours
3
7.5%
By prefecture
The highest count in one prefecture is 7, in Hokkaido. The places sit in 17 prefectures.
Prefectures with the most places
Prefecture
Places
Percentage
Hokkaido
7
17.5%
Akita
4
10.0%
Gunma
4
10.0%
Aomori
3
7.5%
Oita
3
7.5%
Iwate
2
5.0%
Tochigi
2
5.0%
Shizuoka
2
5.0%
Kagoshima
2
5.0%
Kanagawa
2
5.0%
Tokyo
2
5.0%
Kumamoto
2
5.0%
Wakayama
1
2.5%
Okayama
1
2.5%
Nara
1
2.5%
Yamagata
1
2.5%
Nagano
1
2.5%
By region
The same places, added up by region.
Places by region
Region
Places
Percentage
Hokkaido
7
17.5%
Tohoku
10
25.0%
Kanto
10
25.0%
Chubu
3
7.5%
Kansai
2
5.0%
Chugoku
1
2.5%
Kyushu
7
17.5%
The data used in this study were set on 23 October 2026.
