Developed by Sun Group in partnership with international hospitality brands, Yoko Onsen Quang Hanh features luxury private villas, washitsu suites, and extensive public mineral bath facilities. The resort complex boasts indoor and outdoor thermal pools, traditional Japanese saunas, cold plunge baths, and an authentic spa center surrounded by meticulous Zen gardens. Its tranquil valley setting along National Route 18 provides a peaceful retreat within convenient driving distance of both Ha Long City and Cam Pha.