Suzuka Circuit Onsen
Analysis VerifiedNestled within the grounds of Suzuka Circuit, one of the world's premier racing courses, this unique hot spring has offered a soothing retreat to race fans and families since its 1994 opening. Its weakly alkaline waters, drawn from underground, are gentle on the skin with minimal irritation, effortlessly permeating the body. Ideal for cooling race excitement and gently refreshing an uplifted mind and body, this spring continues its legacy of healing in a renewed form since 2023, providing tranquility to all visitors.
The bar length shows how abundant each component is compared to thresholds that make it "distinctive" (therapeutic spring standards, beauty spring criteria, etc.).
A trace component with gentle antibacterial and anti-inflammatory action.
Scores are calculated from mineral analysis data based on the Mineral Spring Analysis Guidelines (Ministry of Environment, Japan). They are unrelated to facility atmosphere or service quality.
▸Note
The temperature, pH and component values shown here are based on the hot spring analysis (source). Actual values in the bath may differ depending on heating, dilution, recycling and filtration. Please check current usage status at the facility.
The weakly alkaline water, with a pH of 8.4, is expected to soften the skin's keratin layer, leaving it smooth. Its low-irritant nature is suitable for long soaks, but take breaks to avoid overheating. Enjoy a leisurely bath to calm the excitement after watching a race.
With a pH of 8.4, this weakly alkaline Simple Onsen is known as a "skin-beautifying spring," offering a cleansing effect that leaves skin smooth. The high source temperature of 44.9°C warms the body to its core, helping to relieve muscle and joint pain—perfect for soothing a tired body after a long day at the circuit.
Avoid bathing during active stages of illness, if you have severe heart or lung disease, or gastrointestinal bleeding. Also contraindicated during acute flare-ups of chronic diseases. Consult a doctor if you have health concerns.
※ See the analysis data below for detailed contraindications
ANALYSIS DATAView all analysis fields ▼
Source Info
- Source name
- Suzuka Circuit Onsen
- Spring type
- 単純温泉 (低張性 弱アルカリ性 高温泉)
- Source temperature
- 44℃
- pH
- 8.3
- Flow rate
- 430 L/min
- Flow type
- 動力揚湯
- Osmotic pressure
- 低張性
Analysis Document
- Analysis date
- 2023-02-10
- Analyst organization
- 株式会社 東海テクノ 四日市分析センター
Cations
- Lithium ion Li⁺
- 0.00 mg/kg
- Sodium ion Na⁺
- 177 mg/kg
- Potassium ion K⁺
- 2.0 mg/kg
- Ammonium ion NH₄⁺
- 1.0 mg/kg
- Magnesium ion Mg²⁺
- 0.30 mg/kg
- Calcium ion Ca²⁺
- 3.2 mg/kg
- Aluminum ion Al³⁺
- 0.00 mg/kg
- Manganese ion Mn²⁺
- 0.00 mg/kg
- Iron(II) ion Fe²⁺
- 0.00 mg/kg
- Iron(III) ion Fe³⁺
- 0.00 mg/kg
- Strontium ion Sr²⁺
- 0.00 mg/kg
- Barium ion Ba²⁺
- 0.00 mg/kg
- Total cations
- 0.18 mg/kg
Anions
- Fluoride ion F⁻
- 0.30 mg/kg
- Chloride ion Cl⁻
- 35.5 mg/kg
- Sulfate ion SO₄²⁻
- 0.00 mg/kg
- Bicarbonate ion HCO₃⁻
- 380 mg/kg
- Carbonate ion CO₃²⁻
- 7.2 mg/kg
- Bromide ion Br⁻
- 0.00 mg/kg
- Iodide ion I⁻
- 0.00 mg/kg
- Nitrite ion NO₂⁻
- 0.00 mg/kg
- Nitrate ion NO₃⁻
- 0.00 mg/kg
- Dihydrogen phosphate H₂PO₄⁻
- 0.00 mg/kg
- Hydrogen phosphate HPO₄²⁻
- 0.70 mg/kg
- Total anions
- 0.42 mg/kg
Undissociated Components
- Metasilicic acid H₂SiO₃
- 32.2 mg/kg
- Metaboric acid HBO₂
- 2.7 mg/kg
- Total undissociated
- 0.03 mg/kg
Dissolved Gas
- Free carbon dioxide CO₂
- 5.1 mg/kg
- Free hydrogen sulfide H₂S
- 0.00 mg/kg
- Total dissolved gas
- 0.01 mg/kg
Totals
- Total dissolved substances
- 0.64 mg/kg
- Component total
- 0.65 mg/kg
- Evaporation residue
- 0.43 mg/kg
Usage
- Heating
- Yes（The water is heated to maintain a suitable temperature for bathing.）
- Dilution
- No
- Recycle / Filter
- Recycled / Filtered / A circulation and filtration system is used to conserve hot spring resources and for sanitation management.
- Additives
- No
- Disinfection
- Yes（Chlorine-based agents are used for sanitation management.）
Indications & Contraindications
- Bathing indications
- Autonomic instability, Insomnia, Depression
- General indications
- High blood pressure (mild), Rheumatoid arthritis, Chronic pain or stiffness in muscles and joints, Muscle stiffness due to motor paralysis, Gastrointestinal dysfunction
- Contraindications
- Acute illness (especially with fever), Active tuberculosis, Malignant tumors, Severe heart disease, Respiratory failure, Renal failure, Bleeding disorders, Severe anemia, Any actively progressing illness, Pregnancy (especially early and late stages)
Drinking
- Drinkability
- Not drinkable
