Saunas in Gunma
30 open saunas in Gunma, out of 1,706 nationwide. Average HONMONO Score 51.4, highest 70. Top by score: kanrano sauna, 温窟サウナかま蔵 高崎店, サウナの森水沼ヴィレッジ サウナ.
Figures read from our database 2026-09-24 02:19 JST — rankings and counts are calculated at this moment, not stored.
Newest facility info in this set 2026-08-15 / Source: publicly available Google Maps listings. The HONMONO Score is calculated by this site from that data.
🏆 What is the HONMONO Score?
✅ Heat Quality（17）
Words like aufguss, löyly and wood sauna; the facility name; sauna temperature; resident performers.
✅ Cold Bath（17）
Google rating, cold-bath temperature data, resident performers.
✅ Outdoor Air（17）
Words like outdoor air, open-air and rest chairs; outdoor-area data.
✅ Cleanliness（17）
Official website, Google rating, words like clean and cleaning.
✅ Aroma & Löyly（17）
Words like aroma, vihta, herbal and whisking; löyly-type data.
✅ Sauna Focus（17）
Words like cold bath, ganbanyoku and totonoi; the facility name; how many facility facts are filled.
S(59+) 🌟🌟🌟 The real deal
A(48–58) 🌟🌟 Trusted
B(42–47) 🌟 Solid
C(36–41) 📋 Limited info
D(–35) 📋 Not enough info
