The Stone of the Evil Monk Hell (鬼石坊主地獄) is one of Hell Tour of Beppu Onsen, Oita Prefecture. The extremely hot gray onsen water is coming from underground. The shape of the bubble is look like the bowled head of monk. This hell appears in the record of Oita written in 733. The temperature of Onsen Water is about 99 degree celcuis.
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 Umijigoku.
400 JPY
30 min
New Wave Samurai Movie. 
映画好き集まれ！ 
The Stone of the Evil Monk Hell is one of Onsen Hells in Beppu. This Onsen appears in 733 in the record of Oita.
There are foot Onsen in this hell and Onsen is located next to it.
Official web site:http://www.beppu-jigoku.com/images/English0.pdf