If you're looking for a unique culinary experience in Japan, look no further than the famous black eggs of Hakone. This is one location of the Hakone loop. These jet-black eggs, known as "Kuro-Tamago," are boiled in the sulfuric hot springs of Owakudani, a volcanic valley just a short trip from Tokyo. Not only do they make for an unusual sight, but they also come with a fascinating history and local legends that add to their allure.
The History Behind Hakone’s Black Eggs
Owakudani, meaning "Great Boiling Valley," was formed around 3,000 years ago following a massive eruption of Mount Hakone. Today, it remains an active geothermal area, known for its steaming vents and bubbling hot springs. Locals discovered that the naturally occurring sulfur and iron in the water react with the eggshells, turning them a deep black color while leaving the inside perfectly normal. This method of cooking has been passed down for generations, turning the black eggs into a must-try delicacy for visitors.
Trying the Kuro-Tamago: My Experience
Of course, I had to try them for myself! When I first saw the eggs, I was struck by their intense black shells, almost like something out of a fantasy novel. But cracking one open revealed a completely normal hard-boiled egg inside. And the taste? It was just like any other hard-boiled egg. The experience, however, was what made it truly special. Eating a Kuro-Tamago while surrounded by the otherworldly landscape of Owakudani, with its billowing steam and the scent of sulfur in the air, made it an unforgettable moment.
The Legend: Can These Eggs Extend Your Life?
One of the most intriguing aspects of Hakone’s black eggs is the local belief that eating them can add seven years to your life! According to legend, the eggs absorb mystical properties from the hot springs, blessing those who consume them with longevity. While there’s no scientific proof behind this claim, it’s a fun tradition that adds to the magic of the experience. Just remember—locals say you shouldn’t eat more than two or three, or you might be pushing your luck!
Fun Facts About Hakone’s Black Eggs
The eggs are sold in packs of five for around 500 yen at the Owakudani souvenir shops.
Because of their unique appearance and legend, they make for a great Instagram-worthy moment.
You can also find black egg-themed souvenirs, including black egg soft-serve ice cream and black egg plush toys!
The best way to reach Owakudani is by taking the Hakone Ropeway, which offers stunning aerial views of the volcanic landscape and even glimpses of Mount Fuji on a clear day.
Why You Should Visit Owakudani
Beyond the black eggs, Owakudani is a breathtaking destination that showcases Japan’s incredible volcanic activity. The combination of surreal landscapes, natural hot springs, and the thrill of trying something uniquely local makes it a must-visit spot for any traveler. If you’re planning a trip to Hakone, don’t miss the chance to taste these legendary eggs and soak in the beauty of one of Japan’s most fascinating geothermal wonders.
Would you try a black egg for an extra seven years of life? Let me know in the comments! And if you're heading to Hakone soon, be sure to add Owakudani and its famous Kuro-Tamago to your itinerary!
