The Hot Spring Valley is located next to Beitou Hot Spring Park, and is one of the sources of the Beitou hot springs. Because it is filled with sulfur smoke all year round, it reminds people of a terrifying hell, hence it is also known as "Hell's Valley" or "Ghost Lake." The hot spring here is the hottest one within the Daxue Mountain volcanic group, and the scenery of sulfur smoke is dreamlike and ethereal, like a fairyland. It is one of the eight scenic spots and twelve famous sights of Taiwan during the Japanese rule era.
The rocks in the Hot Spring Valley contain a radioactive element called "Beitou stone," which is the only mineral in the thousands of minerals around the world named after a place in Taiwan. Currently, this mineral is only found in Beitou, Taiwan, and Tamagawa, Japan. In recent years, in order to restore the Beitou stone, the Beitou Stone Protection Area was established. Visiting here not only allows you to feel the sentiment of a hot spring town, but also gives you a deeper understanding of this unique mineral.
The temperature of the spring water in the Hot Spring Valley ranges from 80°C to 100°C, and it is an acidic hydrochloric spring. The water has a high acidity level and is corrosive, commonly known as "blue sulfur spring" and "sulfur water head." In the past, tourists often used the hot spring water in the Hot Spring Valley to cook "hot spring eggs." However, in recent years, to protect the quality of the hot spring water and to prevent tourists from falling and getting injured, it has been banned for the public to cook eggs in the Hot Spring Valley! When visiting the Hot Spring Valley, don't bring food along, or you might ruin the fun!