Would you give care to bathe in the stock - blood-red pools of Japan ’s Beppu metropolis ? At around 78 ° C ( 172.4 ° F ) , we would n’t advocate it . Beppu ’s illustrious cluster of instinctive hot springs bubble away in an array of odd hues and temperature , but perhaps the most arresting and dangerous is Chinoike Jigoku , whose name translates to “ blood hell pond ” .
It ’s one of several hot springs , known as onsen , that you’re able to take in on the metropolis ’s “ Jigoku Meguri ” go , collectively known as theBeppu Hells . They ’re recover on the southern island of Kyushu in Japan , and are a collection of acidulent geothermal ponds .
Chinoike Jigoku is too hot forspa treatments , but you could dip your feet in the urine where it ’s cooler . The peculiar red-hot give get its rich color from sediment that are packed full of iron and magnesium oxide . This is why its aesthetic is quite so unholy , but Chinoike Jigoku also has a violent past .

They’re too hot for bathing, but there are some spots where you can dip your feet.Image credit: Yobab / Shutterstock.com
According toAtlas Obscura , Chinoike Jigoku was once used for penalty , as the great unwashed were excruciate and boiled to destruction in its waters . Now the land site is devote to healing , with intervention available onsite that get their natural production from the volcanic part ’s environment .
As for why the blood hell pool is so raging , it connect back millions of age to the formation of the Beppu - Shimabara graben that black market across the heart of Kyushu , Japan , from Beppu Bay in the eastward to the Shimabara Peninsula in the west . To this twenty-four hour period it ’s home to multiple active volcanoes , and as such there are volcanic , geothermal , and seismic military force at play create a striking terrain . Beppu alone is home to 2,300 raging springs , but not all of them are as hot as Chinoike Jigoku .
You might think such a live , hellish , and acidic environment would be too inhospitable for life , but astudythat set out to investigate the microbic universe of Chinoike Jigoku found grounds of several acidophilic microorganisms , include an unknown mintage of archaea .
pool like the bloodline hell pool present an exciting opportunity for scientists in hunt of extremophiles that could further our understanding of how microorganism tolerate uttermost environments . lie in the “ Ring of Fire ” , Japan ’s volcanic repute means it supply many chance for investigation , give way brainstorm that could have various practical software in an country of science known as biohydrometallurgy that search how chemical factor can strip or dissolve metal .
Chinoike Jigoku might make for a hellish bath time , but it ’s bubbling over as a hot pot of academic machination .