Onsen Map Japan › Nagano › Iiyama › BON Sauna
Sauna

BON Sauna

Iiyama, Nagano

Confirmed on official sources (2026)

Directions (Google Maps)
Address
長野県大字豊田6379
Opening hours
10:00〜22:00 (in Japanese)
Admission
貸切 1名60分¥5,500〜4名以上120分¥4,000/名 (in Japanese)
Nearest station
戸狩野沢温泉駅 (in Japanese)
Notes
エストニア産バレルサウナ(薪ストーブ・パノラマガラス)の貸切制。清流の水風呂、ウッドデッキ外気浴。サウナだけの日帰り利用OK (in Japanese)

Facilities

SaunaCold plunge bathOutdoor cool-down areaPrivate / family bathOvernight stay

Admission, opening hours and tattoo policies can change. Please check the official information before visiting.

Nearby onsen & sento

About BON Sauna

BON Sauna is a dedicated sauna facility in Iiyama, Nagano, Japan. Facilities: Sauna, Cold plunge bath, Outdoor cool-down area, Private / family bath, Overnight stay. Opening hours: 10:00〜22:00. Use this page to get directions on Google Maps and to find other onsen and sento nearby.

Related pages

Onsen, Sento, Super Sento & Saunas – Iiyama, NaganoDedicated Saunas – NaganoOnsen, Sento, Super Sento & Saunas with Sauna – NaganoOnsen, Sento, Super Sento & Saunas with Cold plunge bath – NaganoOnsen, Sento, Super Sento & Saunas with Outdoor cool-down area – NaganoPrivate & Family Onsen Baths – NaganoOnsen & Spas with Overnight Stay – Nagano

FAQ

Q. Where is BON Sauna?

BON Sauna is located at 長野県大字豊田6379 (Iiyama, Nagano, Japan). Tap “Directions” to open Google Maps navigation.

Q. What are the opening hours of BON Sauna?

Opening hours: 10:00〜22:00 Please check the official website before visiting.

Q. Does BON Sauna have a sauna?

Yes. It is listed with a sauna and a cold plunge bath.

Q. What other onsen or sento are nearby?

Sauna muku (0m), 飯田城温泉 (Iidashiro Onsen) (7.2km), 天空の城 三宜亭本館 日帰り入浴 (Tenkunoshiro Sangiteihonkan Higaeri Nyuyoku) (7.2km).