Owakudani Valley
Owakudani Valley, also known as the 'Great Boiling Valley,' is a spectacular geothermal area located in Hakone, Japan. This otherworldly landscape is famous for its active sulfur vents, hot springs, and steaming volcanic activity. Visitors can witness the raw power of nature as steam rises from the ground, creating an eerie yet mesmerizing atmosphere. The valley is also renowned for its 'black eggs,' boiled in the sulfurous waters, which are said to add seven years to your life. The surrounding views of Mount Fuji on clear days add to the valley's allure, making it a must-visit destination for nature lovers and adventure seekers.
Opening Hours
Location
1251 Sengokuhara, Hakone, Ashigarashimo District, Kanagawa 250-0631, Japan
Everything You Need to Know
Why Visit
Witness the dramatic geothermal activity and steaming vents up close.
Enjoy stunning views of Mount Fuji on clear days.
Try the legendary black eggs, a unique local delicacy.
Experience the otherworldly landscape that feels like stepping onto another planet.
History & Background
Owakudani Valley was formed around 3,000 years ago during the last eruption of Mount Hakone. The area has long been a site of geothermal activity, with its sulfur vents and hot springs attracting attention for centuries. In the Edo period, it became a popular stop for travelers on the Tokaido road. Today, it is a protected part of Fuji-Hakone-Izu National Park and a symbol of Hakone's volcanic heritage.
Insider Tips
Visit on a clear day to enjoy the best views of Mount Fuji.
Be prepared for the strong sulfur smell—some visitors find it helpful to bring a mask.
Try the famous black eggs, but be aware that they have a unique taste due to the sulfur.
Wear comfortable shoes as the terrain can be uneven and steep in places.
Check weather conditions before visiting, as fog can sometimes obscure the views.
What Visitors Say
“Visitors often describe Owakudani Valley as a unique and surreal experience, with its steaming vents and stunning views. Many highlight the novelty of trying the black eggs, while others appreciate the breathtaking scenery and the chance to witness volcanic activity up close. Some note that the sulfur smell can be strong, but the overall experience is unforgettable.”
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1251 Sengokuhara, Hakone, Ashigarashimo District, Kanagawa 250-0631, Japan