Sierra Resort Hakuba is the resort hotel in the vast forest of 99,000 square meters. The hot spring releases 150 tons of hot spring water a day. The hot spring type is a sodium hydrogencarbonate spring. Since skin becomes beautiful, the hot spring is called the hot water of lustrous skin. In the autumn of 2012, 170 years old private house was reconstructed and the hot spring building was built. The high ceilings and the big curved beams are artistic and it is worth seeing. The north Alps can be seen in the daytime and trees are lit up at night.