In top properties, ice is filtered and safe; if you prefer, ask for bottled still or sparkling. At ryokan, the welcome tea and water are trustworthy. During summer, carry hydration—your driver can stock chilled bottles.
Only in very remote mountain huts might you want bottled water; most luxury itineraries won't encounter issues.
Related Questions
- Is Medical Care Easily Accessible for Visitors?
- Is Japan Safe for Evening Strolls in Cities?
- Is Onsen Etiquette Comfortable for Luxury Travelers?
- Are Natural Disasters a Major Concern?

Insider-led Japan Design & Concierge
Your insider team designs the trip around what you care about, then supports you in-country with private logistics, vetted partners, and concierge help when plans change.




