Tornado Hell is a geyser. Every 30 to 40 minites, it erups. The temperature of geyser is about 105 degree celcius.
It has a beautiful Azalea garden that bloom in the middle of April in this park.
Tornado Hell(龍巻地獄) is one of Hell Tour of Beppu Onsen, Oita Prefecture. It is a geyser. Every 30 to 40 min. it erupts. Once it begins to erupt, it will continue for about 6 to 10 minutes. It is designated as the national scenic beauty.
Tourist Info.
Admission: 400 Yen for adult, 300 Yen for High school, 250 Yen Junior High, 200 Yen for kids.
Time: 8:00 to 17:00
There is parking and restroom.
8 Hell pass: 2,100 Yen for adult.
There is group discount.
Access
1. at Beppu Station.
2. Use local bus 2,5,24 to Kannawa Onsen.
3. Change Bus to Chinoike Jigoku.
400 JPY
30 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Tornado Hell is a geyser. Every 30 to 40 minites, it erups. The temperature of geyser is about 105 degree celcius.
It has a beautiful Azalea garden that bloom in the middle of April in this park.