Compare to the "hotter" hot spring of the Datun Mountains, the hot spring here is colder, only about 40。C, so it is called Lengshuikeng (Cold Water Tunnel). The Lengshuikeng was a bowl shape of crater that unfailingly gushed hot spring out. In addition to the unique volcano scenery, there is the individual milk white color sulfur spring, so-called "the Milk Pool."
The Quality of Spring
At the definition of hot spring, it can be defined as hot spring if the temperature higher than body temperature or than local annual average temperature 6.5。C, and its temperature is about 40。C.
The Feature of Spring
The Lengshuikeng Hot Spring is divided into two parts. One is the hot spring cave that is fult of ivory white color powder crystal, only for visiting. The other side is hot spring pool that is turbid and milk white color, also names as "Milk Pool." 1911 AD, Yangmingshan National Park Office built two hot spring pools, separated by gender, for free service.