Top 5 Onsen in Japan: 2024 Updated Guide
Japan’s onsen culture is deeply rooted in tradition, offering not only relaxation but also a profound connection to nature. Each onsen has its unique mineral composition, believed to provide various health benefits, and is set in picturesque surroundings that enhance the overall experience. Here’s a guide to the five best onsen in Japan, each offering unique waters, distinct characteristics, and essential details like associated hotels and onsen costs.
1. Kusatsu Onsen (Gunma Prefecture)
image courtesy of @waichan0528
Overview: Kusatsu Onsen, located in Gunma Prefecture, is one of Japan’s most celebrated hot springs, famous for its high-quality sulfuric waters. The onsen town is centered around the Yubatake (hot water field), a steaming source that produces over 4,000 liters of water per minute.
Water Composition: Kusatsu’s waters are highly acidic, with a pH level of around 2, making them some of the most acidic onsen waters in Japan. This acidity is believed to have powerful disinfectant properties, which can help treat skin conditions, heal minor cuts, and relieve muscle pain. The sulfur content gives the water a characteristic smell and helps in detoxification and blood circulation.
Unique Feature: Kusatsu’s Yubatake is a striking feature where hot spring water is cooled through wooden channels before being distributed to the town’s baths. The Yubatake not only serves a practical purpose but is also a symbol of the town and a popular spot for visitors to experience the onsen culture.
Onsen Cost:
Public Baths: Entry to public baths like Sainokawara Rotenburo and Otaki no Yu ranges from ¥600 to ¥900 (about $4 to $6 USD) per person.
Ryokan Onsen: Many ryokan offer onsen access as part of the stay, with room rates starting around ¥15,000 (about $100 USD) per night.
Accommodation:
Hotel Ichii: Located near the Yubatake, Hotel Ichii offers traditional Japanese rooms with private onsen access. Room rates start around ¥20,000 (about $135 USD) per night, including breakfast and dinner.
Why Visit: Kusatsu Onsen offers a perfect blend of traditional charm and therapeutic benefits, making it a must-visit for onsen enthusiasts.
Getting There:
Location: About 3 hours from Tokyo by train and bus.
Directions: Take the JR Limited Express from Ueno Station to Naganohara-Kusatsuguchi Station, then a 30-minute bus ride to Kusatsu Onsen.
2. Noboribetsu Onsen (Hokkaido)
image courtesy of @alvinandthefitmunks
Overview: Noboribetsu Onsen, located in Hokkaido, is known for its rich variety of mineral waters, each offering different therapeutic benefits. The town is set in a dramatic landscape, with Jigokudani (Hell Valley) at its center, where volcanic activity produces steaming vents and bubbling pools.
Water Composition: Noboribetsu Onsen offers nine different types of mineral-rich waters, including sulfur, iron, and salt springs. Sulfur springs, with their milky white appearance, are particularly popular for their skin-smoothing properties and their ability to alleviate joint pain. Iron-rich waters, which are reddish-brown, are believed to improve anemia and boost circulation. Salt springs help retain body heat and are beneficial for treating cuts and scrapes.
Unique Feature: Jigokudani (Hell Valley) is a volcanic valley that serves as the source of Noboribetsu’s hot springs. The valley’s otherworldly landscape, with its smoking vents and vibrant mineral deposits, offers a fascinating backdrop to the onsen experience. Visitors can also walk through the valley, witnessing the volcanic forces that power the onsen.
Onsen Cost:
Public Baths: Entry to public baths such as Dai-ichi Takimotokan ranges from ¥2,000 to ¥2,500 (about $14 to $18 USD) per person.
Ryokan Onsen: Many ryokan include onsen access in their room rates, starting around ¥20,000 (about $135 USD) per night.
Accommodation:
Dai-ichi Takimotokan: This historic ryokan offers one of the largest onsen facilities in Japan, with multiple indoor and outdoor baths. Room rates start around ¥20,000 (about $135 USD) per night, including meals.
Why Visit: Noboribetsu Onsen is ideal for those looking to experience a wide range of mineral baths while enjoying the rugged natural beauty of Hokkaido.
Getting There:
Location: About 1.5 hours from Sapporo by train and bus.
Directions: Take the JR Limited Express from Sapporo to Noboribetsu Station, followed by a 15-minute bus ride to the onsen area.
image courtesy of @kyoko1903
Overview: Hakone Yuryo is a traditional onsen located near Hakone-Yumoto Station, offering a perfect blend of modern amenities and classic Japanese bathing culture. Nestled in a serene forest setting, Hakone Yuryo is ideal for day visitors seeking a tranquil escape close to Tokyo. The facility offers both public baths and private onsen rooms, catering to individuals, couples, and families alike.
Water Composition: The waters at Hakone Yuryo are mildly alkaline with a pH level of around 8.5, making them smooth and gentle on the skin. Alkaline hot springs are known for their ability to soften and moisturize the skin, making them particularly appealing for those looking to enhance their skin’s health and appearance.
Unique Feature: Hakone Yuryo is distinguished by its mix of public and private baths. The private onsen rooms are particularly popular, offering a secluded space for guests to enjoy the healing waters with loved ones. The onsen’s location near the station also makes it an accessible option for travelers with limited time.
Onsen Cost:
Public Baths: ¥1,500 (about $10 USD) per person.
Private Onsen Rooms: Starting at ¥4,000 (about $27 USD) per hour for a private room.
Accommodation:
No on-site hotel: Hakone Yuryo is a day-use facility. However, nearby ryokan such as Hakone Suimeisou offer accommodations with their own onsen facilities. Room rates at Hakone Suimeisou start around ¥20,000 (about $135 USD) per night.
Why Visit: Hakone Yuryo is perfect for travelers looking for a convenient and serene onsen experience, offering both public and private baths in a beautiful natural setting.
Getting There:
Location: About 1.5 hours from Tokyo by train.
Directions: Take the Odakyu Limited Express from Shinjuku to Hakone-Yumoto Station, then a short shuttle bus ride to Hakone Yuryo.
If you want more info on other Onsen in Hakone check out our full guide HERE!
4. Hyotan Onsen (Beppu, Oita Prefecture)
image courtesy of @ann_travelstheworld
Overview: Hyotan Onsen, located in Beppu, Oita Prefecture, is a distinguished onsen known for its traditional atmosphere and variety of bathing options. Established over 90 years ago, Hyotan Onsen has been a favorite among locals and visitors alike for its authentic onsen experience. The facility offers a range of baths, including sand baths, steam baths, and traditional hot water baths.
Water Composition: The waters at Hyotan Onsen are rich in minerals such as sodium bicarbonate, which is known for its ability to smooth and soften the skin. The onsen also features a unique "waterfall bath" where hot spring water cascades down, providing a gentle massage effect that helps relieve muscle tension and stress.
Unique Feature: Hyotan Onsen is renowned for its variety of baths, including the traditional sand bath, where guests are buried in naturally heated sand for a deeply relaxing experience. The onsen has also received the prestigious Michelin three-star rating, a testament to its high standards and exceptional onsen experience.
Onsen Cost:
Public Baths: ¥780 (about $5 USD) per person.
Sand Bath: An additional ¥350 (about $2.50 USD) per person.
Accommodation:
No on-site hotel: Hyotan Onsen is a day-use facility. However, there are many accommodations nearby, including Beppu Suginoi Hotel, which offers extensive onsen facilities. Room rates at Beppu Suginoi Hotel start around ¥20,000 (about $135 USD) per night.
Why Visit: Hyotan Onsen is a must-visit for those looking to experience a traditional Japanese onsen with a variety of bathing options, including the unique sand bath. Its Michelin rating and rich history make it a standout in Beppu.
Getting There:
Location: About 2 hours from Fukuoka by train.
Directions: Take the JR Limited Express from Hakata Station in Fukuoka to Beppu Station, then take a short bus or taxi ride to Hyotan Onsen.
5. Gero Onsen (Gifu Prefecture)
image courtesy of @rubyf
Overview: Gero Onsen, located in Gifu Prefecture, is known as one of Japan’s top three onsen, alongside Kusatsu and Arima Onsen. The town has been celebrated for centuries for the high quality of its alkaline hot springs, which are said to leave the skin feeling smooth and silky.
Water Composition: Gero Onsen’s waters are slightly alkaline, with a pH level of around 9, making them gentle on the skin and ideal for those with sensitive skin. The water is also rich in sodium bicarbonate, which is believed to improve circulation and promote relaxation. The smooth, silky texture of the water is a highlight, providing a soothing and moisturizing effect on the skin.
Unique Feature: Gero Onsen is famous for its foot baths, known as “ashiyu,” which are scattered throughout the town and available for free use by visitors. These public foot baths allow travelers to experience the healing waters of Gero Onsen even if they’re just passing through. The town’s relaxed atmosphere and traditional architecture further enhance the onsen experience.
Onsen Cost:
Public Baths: Entry to public baths such as Shirasagi no Yu costs around ¥400 (about $3 USD) per person.
Ryokan Onsen: Many ryokan include onsen access with room rates starting around ¥15,000 (about $100 USD) per night.
Accommodation:
Yunoshimakan: A historic ryokan that offers private onsen baths and stunning views of the surrounding mountains. Room rates start around ¥25,000 (about $170 USD) per night, including meals and onsen access.
Why Visit: Gero Onsen is ideal for those looking for a serene onsen experience in a charming town with a rich history. The combination of high-quality waters and traditional charm makes it a standout destination.
Getting There:
Location: About 2.5 hours from Nagoya by train.
Directions: Take the JR Limited Express from Nagoya to Gero Station, and the onsen town is just a short walk from the station.
Final Thoughts
Japan’s onsen culture offers a unique opportunity to relax, rejuvenate, and connect with the country’s natural beauty. Each of these top onsen destinations—Kusatsu, Noboribetsu, Hakone, Beppu, and Gero—provides a distinct experience, with waters that are believed to offer various health benefits. Whether you’re drawn to the sulfuric waters of Kusatsu, the diverse mineral baths of Noboribetsu, or the silky alkaline springs of Gero, visiting these onsen is a journey into both wellness and tradition. With details on costs and accommodations, you can easily plan a visit to enjoy the therapeutic benefits and serene environments that have made these onsen famous.
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