Nagano Prefecture, which is located inland Japan, has many mountains, popular for hiking and winter sports.
A hot spring is on the mountain in Nagano prefecture, the altitude is 2,100 m.
It’s Hakuba Yari Onsen(白馬鑓温泉)
In order to go to this hot spring, you need to trek the mountain for about 5 hours.
And the mountain path is closed by snow, so it is open only during the summer.
The best place for those who like mountains and hot springs.
In the open-air bath, you can soak in the hot spring while watching the mountain scenery.
Many hikers welcome the morning sun on the hot springs.
It is also good to watch stars at night from the hot spring.
Since you can not do a day trip, you need to book a mountain hut.
There are also steep roads, crossing the snow ridge, so you need enough equipment such as crampons.
It’s mixed bathing.
The woman was wearing a bathing suit.