Thanh Thuy Hot Spring

Thanh Thuy Hot Spring is a natural hot mineral spring located in Bao Yen Commune, Thanh Thuy District, Phu Tho Province, about 65 km northwest of Hanoi. The spring water emerges at 37-43°C and contains minerals such as calcium and magnesium. Developed into several resort complexes, it is notable as one of northern Vietnam's main mineral hot spring destinations for bathing, wellness and relaxation.

Visitors can expect a developed hot spring resort area centered on natural mineral water pools. The site features outdoor and indoor hot pools, mineral bathing areas, mud bath services, swimming pools and spa facilities surrounded by low hills and rural landscape. Resorts such as Thanh Thuy Hot Spring Resort and Wyndham Lynn Times Thanh Thuy offer changing rooms, restaurants and accommodation. Visitors can bathe in warm mineral water, use spa services and relax in resort grounds.

The hot water source was identified in the early 20th century and has been developed for tourism and wellness use since the 1990s, with expansion into large resort complexes in the 2000s and 2010s.

Locally valued for its mineral water believed to support health and relaxation, the spring is a well-known wellness destination for visitors from Hanoi and northern provinces.