Hotel Okada has 5 hot spring source around the foot of Mt. Yusaka.
It is about 270 liters of hot spring comes out from 5 hot spring source every minute.
The mountains of Hakone be known as a rainfall area in Japan. This rainwater is heated by heat of magma pools lying deep underground.
Spring quality：Mildly alkaline simple hot spring
Effective for：Muscle pain, shoulder, neuralgia, arthralgia, chronic digestive disease, hemorrhoids, motor paralysis, cold