Onsen Spa
- Location
- Stateline, Nevada, United States
- Water type
- thermal
- Temperature
- 40 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Rich in trace elements — gentle on the skin.
Soft water — natural, classic buoyancy.
Onsen Spa sits in Stateline, a compact border town on the southern shores of Lake Tahoe, straddling Nevada and California. Renowned for its spectacular mountain scenery and crystalline waters, this destination brings the Japanese onsen tradition to an exceptional American alpine setting — a pairing that feels both unexpected and entirely natural.
The water is maintained at 40 °C, producing a steady, penetrating warmth that offers pleasing contrast to the characteristic coolness of Tahoe's high-altitude air. At a neutral pH of 7.3, it is gentle on the skin and suited to extended bathing. The onsen aesthetic — partitioned pools, enforced serenity, unhurried ritual — translates here for a Western clientele accustomed to ski slopes and lakeside escapes.