Kim Boi Mineral Springs

At Kim Bôi, the ground is warm underfoot. That is where the place quietly keeps its worth, not in anything grand, majestic or spectacular, but in something much simpler than all of that.

People simply call this land the place where the water is hot. It is not water that someone boiled, and it does not travel through man-made pipes. It rises out of the earth on its own, already warm, long before people first set foot here.

Kim Bôi once belonged to Hòa Bình Province. In 2025 that province merged with two others, and the land now lies in the new Phú Thọ Province. The name of the province changed. The hot mineral spring did not, and it still flows here, quiet and steady.

The official tourism website of Phú Thọ says the Kim Bôi spring comes out of a limestone layer about 250 million years old. That was a time before the dinosaurs, before any primate, before anything close to a human. The layer formed in complete silence, and to this day mineral water seeps through it. The water passes through tens, even hundreds of meters of earth and rock, then surfaces at about 34 to 46 degrees Celsius, according to the same website.

The Phú Thọ newspaper describes the water as rich in minerals: calcium, magnesium, potassium, sodium, fluoride and silicon dioxide. It has a slightly bland taste and carries the natural warmth of the earth. People in this area once called it water given by heaven. According to the Hòa Bình newspaper, people have been coming to Kim Bôi to rest and soak in the mineral water since 1975. Since then, more than one generation of Vietnamese people has soaked in the warm water of this very land.

Kim Bôi is more than mineral water. It is also the home ground of the Mường, an ethnic group whose landscape, culture and way of life belong to the mountains and forests of old Hòa Bình. The natural scenery and the Mường heritage blend into each other. The result is a land that is quiet and also has depth.

In recent years Kim Bôi has welcomed new resorts. Some are designed after the Japanese onsen springs, and others choose to stay closer to nature. Yet what visitors come looking for is, in truth, still only one thing: the feeling of sitting in water warmed by the earth, with the phone switched off, no thought of work and no hurry.

Very few things in modern life force a person to stop completely. In a mineral pool, no one can soak and scroll social media at the same time, or sit in the water and join an online meeting. Warm water from the earth has its own way of pulling a person into the present.

Kim Bôi people also bottle water from this source. The Kim Bôi Mineral Water Brand Joint Stock Company, founded in 1992, draws the water and sells it as Kim Bôi mineral water. The Phú Thọ newspaper reports that the product has earned a four-star OCOP rating. OCOP, short for One Commune One Product, is a national program that rates local products with stars. The bottled water and the water in the pools share one origin, one taken inside the body and the other wrapped around it.

Kim Bôi is not a place for taking photos to post online. It is a place to go home with the whole body a little lighter and the mind a little calmer, feeling truly rested rather than merely somewhere else.