Let’s Relax Onsen and Spa, Bangkok, provides hot baths enriched with powerful luxurious minerals imported from Gero spring, Japan, that continuously protect, heal, and rejuvenate the body at the cellular level. This will keep the body and mind healthy, rejuvenated, refreshed, relaxed and clean. Guests also have full-day access to enjoy other facilities such as sauna, steam, warm Himalayan Hot Stonebed Baths , and Cool Down Rooms. Feel the rejuvenating effects of the best Japanese bath in Bangkok at Let’s Relax Onsen and Spa Thonglor.