Phu Sang Waterfall.

Phu Sang Waterfall, also known as the warm Phu Sang Waterfall, is located in Phu Sang National Park, Phu Sang Subdistrict, Phu Sang District, Phayao Province. This waterfall is situated on the Doi Pha Mon mountain range and originates from a stream flowing from limestone cliffs. It is 25 meters high and flows all year round. It is considered the only warm waterfall in Thailand, as the water maintains an average temperature of 35 – 36 degrees Celsius and is clear without any sulfur odor. Below the waterfall, there is a clear emerald green pool where you can play and soak for health benefits. Moreover, the surrounding atmosphere of the waterfall is cool and shady, covered with large trees, providing a comfortable climate throughout the day. You can also bring food and have a picnic here.