Futamata Calcium Carbonate Hot Spring
Typeindoor
An artificial hot spring made using stones from Futamata Onsen in Hokkaido. Active ingredients dissolve into the water to enhance bathing effects and promote circulation.
A day-use onsen to feel the benefits of Mount Fuji lava and natural spring water throughout your body
Yamanashi Fujiyoshida City
Located in Fujiyoshida City, Fuji Lava Bath Sensui is a day-use bathing facility that uses Mount Fuji lava in all of its baths. The far-infrared effects emitted from the lava plates and a variety of baths including a Futamata calcium carbonate hot spring warm you from deep inside. After sweating it out in the spacious tower-style sauna, cool off in the cold plunge bath that uses 100% continuously flowing natural spring water from Mount Fuji. The open-air baths offer magnificent views of Mount Fuji, making outdoor relaxation exceptional.
Typeindoor
An artificial hot spring made using stones from Futamata Onsen in Hokkaido. Active ingredients dissolve into the water to enhance bathing effects and promote circulation.
Typeopen_air
An open-air bath with views of Mount Fuji. A microbubble generator is also used, allowing you to relax in a spacious, open environment.
Sauna TypeDry Sauna
Stove Typefar_infrared
Capacity16people
A spacious four-tier tower-style dry sauna. Set at about 100°C, the far-infrared heaters warm you thoroughly to the core.
Sauna TypeDry Sauna
Stove Typefar_infrared
Capacity16people
A women-friendly aroma far-infrared sauna set at 80–90°C. Relax and sweat while being surrounded by pleasant scents.
Water Qualitynatural
Capacity5people
A cold plunge bath that luxuriously uses Mount Fuji's natural spring water in a continuous flow. The men's area is more spacious while the women's area features a tub-style layout, allowing you to enjoy ice-cold, smooth water quality.
Closed Days: None
4261 Kamiyoshida, Fujiyoshida City, Yamanashi 403-0005, Japan
Gender Access
Gender Separated

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
A day-use onsen to feel the benefits of Mount Fuji lava and natural spring water throughout your body
Yamanashi Fujiyoshida City
Located in Fujiyoshida City, Fuji Lava Bath Sensui is a day-use bathing facility that uses Mount Fuji lava in all of its baths. The far-infrared effects emitted from the lava plates and a variety of baths including a Futamata calcium carbonate hot spring warm you from deep inside. After sweating it out in the spacious tower-style sauna, cool off in the cold plunge bath that uses 100% continuously flowing natural spring water from Mount Fuji. The open-air baths offer magnificent views of Mount Fuji, making outdoor relaxation exceptional.
Typeindoor
An artificial hot spring made using stones from Futamata Onsen in Hokkaido. Active ingredients dissolve into the water to enhance bathing effects and promote circulation.
Typeopen_air
An open-air bath with views of Mount Fuji. A microbubble generator is also used, allowing you to relax in a spacious, open environment.
Sauna TypeDry Sauna
Stove Typefar_infrared
Capacity16people
A spacious four-tier tower-style dry sauna. Set at about 100°C, the far-infrared heaters warm you thoroughly to the core.
Sauna TypeDry Sauna
Stove Typefar_infrared
Capacity16people
A women-friendly aroma far-infrared sauna set at 80–90°C. Relax and sweat while being surrounded by pleasant scents.
Water Qualitynatural
Capacity5people
A cold plunge bath that luxuriously uses Mount Fuji's natural spring water in a continuous flow. The men's area is more spacious while the women's area features a tub-style layout, allowing you to enjoy ice-cold, smooth water quality.
Closed Days: None
4261 Kamiyoshida, Fujiyoshida City, Yamanashi 403-0005, Japan
Gender Access
Gender Separated

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more