Okushiobara New Volcanic Spring (奥塩原新湯爆裂火口跡) is active volcanic spring located Okushiobara, Tochigi Prefecture. You can see the gas and hot water springs from the ground, and it just look like an under world.

Tourist Info.
There is parking, restroom and public Onsen.

Access
0. at Nasushiobara Station.
1. use bus to Shiobara Onsen.
2. use local bus to Okushiobara.