Bokai Onsen is located in Yangjiang, Guangdong province, China. The thermal water emerges at 40°C (104°F), distributed through an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — Bokai Onsen in Yangjiang Prefecture draws on thermal groundwater from the granite bedrock of coastal Guangdong, producing smooth, lightly mineralized water popular with Cantonese families. The warm subtropical setting means outdoor pools are comfortable year-round, often surrounded by tropical garden landscaping. The resort-style facilities cater to weekend visitors from Guangzhou and Shenzhen seeking a quick thermal retreat. The fish spa pools, where small carp nibble at feet, are a quirky local favorite.