The Grand Spa Nandaimon
The Grand Spa Nandaimon is one of the largest hot spring facilities in the northern Kanto region, located in Utsunomiya City, Tochigi Prefecture. It is the only place in Utsunomiya where you can enjoy the natural hot spring, 'Ai no Yu,' flowing directly from the source 1,200 meters underground. The spacious grand sauna made of the finest Abachi wood and two types of cold plunge baths, boasting the largest size and depth in the Kanto region, will instantly liberate your body and mind. With a variety of indoor baths such as carbonated springs, herbal medicine baths, and ginseng baths, as well as a stone sauna, a yakiniku restaurant, and capsule cabins, you can spend your time from morning till night just an 8-minute walk from JR Utsunomiya Station.
Facility Name
The Grand Spa Nandaimon
Facility Type
Onsen & Spa・Hotel & Ryokan
Address
3-2-18 Imaizumi, Utsunomiya City, Tochigi Prefecture
Website
Closed Days
None
Business Hours
Friday 10:00〜09:00
Monday 10:00〜09:00
Sunday 10:00〜09:00
Holiday 10:00〜09:00
Tuesday 10:00〜09:00
Saturday 10:00〜09:00
Thursday 10:00〜09:00
Wednesday 10:00〜09:00
Tattoo Policy
🚫 No Tattoos
♨️Hot Spring Information
♨️
Hot Spring
Flow-through
A natural hot spring using natural water that emerged approximately 23,600 years ago from 1,200 meters underground. 'Ai no Yu,' the only 100% source-flowing hot spring in Utsunomiya City, allows you to enjoy fresh spring water in a spacious rock bath. The men's open-air bath 'Takami no Yu' is structured in two tiers, with hotter and cooler water to choose from according to your preference, allowing you to soak leisurely in an open space. The women's 'Hinoki no Yu' uses the finest Hinoki wood, characterized by its refreshing scent and moisturizing effect, with expected beauty benefits. The indoor bath also features 'Bihaku no Yu' using natural hot spring water, leaving your skin smooth and your body warm from the core after bathing.
Sauna & Cold Bath Information
🔥
グランドサウナ
Male
90°C
A spacious sauna boasting the largest size in the northern Kanto region. Made with the finest Abachi wood, it offers an open space overlooking the garden, allowing you to enjoy the heat without feeling confined. In the traditional Finnish löyly, aromatic water is poured over sauna stones, circulating steam throughout the room and promoting heavy sweating. The balance of humidity and heat is excellent, with gentle heat penetrating deep into the body. You can choose your preferred temperature range on the spacious seating and relax while sweating thoroughly.
Sauna Type
Dry Sauna
Stove Type
Convection Stove (Sauna Stone)
Capacity
40people
🔥
アロマスチームサウナ
Male
50°C
A low-temperature steam sauna with added aromatic medicinal components to fresh steam. The room temperature is moderate, and the high-humidity steam moisturizes the skin and bronchi. The pleasant aroma of the aroma spreads comfortably, enhancing relaxation effects while deepening your breath. In contrast to the high temperature of the grand sauna, it is less taxing on the body, allowing you to soak leisurely for a long time. It is a gentle sauna that can be expected to have beauty and moisturizing effects, drawing out sweat while smoothing the skin.
Sauna Type
Steam Sauna
Stove Type
Built-in Stove
Capacity
8people
❄️
コールドスパ1
Male
16°C
A cold plunge bath boasting the largest size and depth in the Kanto region. With a depth of 120 cm, you can immerse yourself up to your shoulders. The water temperature is sharply cold, allowing you to cool down quickly after heating up in the grand sauna. Its spacious design allows multiple people to enter simultaneously without feeling cramped, enabling you to cool down leisurely while taking deep breaths. There is a pleasant comfort in the coldness, and the outdoor air bath after feeling the chill deep in your body is exceptional.
Water Quality
Tap Water
❄️
コールドスパ2
Male
22°C
A cold plunge bath with a slightly higher temperature. With moderate coldness, it is ideal for those who want to soak for a longer time or are not fond of cold water. It is perfect for gradually cooling down after storing heat in the sauna, allowing you to first acclimate your body here before moving to the 16°C Cold Spa 1. The gentle coldness is comfortable, allowing you to relax while adjusting your body temperature.
Water Quality
Tap Water