Hokkaido Official Tourism Site HOKKAIDO LOVE!

There are about 500 sulfur hot springs across Japan. A sulfur hot spring is defined as a hot spring containing at least 2 mg of total sulfur per 1 kg of water. These hot springs are known to be effective for bathing in cases of atopic dermatitis, psoriasis vulgaris, chronic eczema, and superficial skin infections.

The water color is often milky white or emerald green, giving a vivid impression of therapeutic properties, which may be one of the reasons sulfur hot springs are so popular among visitors.

Since hydrogen sulfide gas can oxidize metals, your accessories may turn black when exposed to sulfur hot springs. Please take care when entering a sulfur hot spring!

Noboribetsu Hot Spring is one of the most famous hot spring resorts in Hokkaido, and is called the "department store of hot springs" because of its nine different types of springs. There are many hot springs in the town, and the steam is seen here and there. There are many scenic spots unique to hot spring resorts, such as Noboribetsu Jigokudani (Noboribetsu Hell Valley), where volcanic gases are gushing out from the cracks in the rocks, and Oyunuma (Oyunuma Swamp), where white smoke rises from the hot water in the crater ruins of an explosion. The "Oyunuma River Natural Footbath," where hot water overflowing from the Oyunuma Swamp flows, is a perfect place to take a break during a stroll, as you can soak in the footbath while sitting on the deck and enjoying the forest bathing.

Kawayu Hot Spring, nestled within Akan-Mashu National Park, proudly declares itself as a “100% Free-Flowing Hot Spring Source” town. Every facility here offers baths fed directly from the source without any recycling of the water. The most remarkable feature is its strongly acidic water—so powerful that it can dissolve a nail in just a few days. This invigorating, slightly stinging water is known for its outstanding medicinal properties and is said to be highly effective for various skin conditions. The sulfur components in the hot spring help boost melanin metabolism, leaving your skin smooth and radiant.

In the heart of the hot spring town, a river of hot spring water flows gracefully, with steam rising from the river’s surface, creating an enchanting and atmospheric scene. Along the riverside and at JR Kawayu Onsen Station, you will find free-flowing foot baths, perfect for warming your feet and body after a chilly walk. These spots are beloved by locals and come highly recommended. Bring a towel in your bag when you go out so you can enjoy the hot spring anytime during your stroll.

Just about 5 minutes by car from the hot spring town is Mt. Io, the source of Kawayu Hot Spring. The mountain’s slopes are stained yellow with sulfur, and you can witness plumes of steam rising constantly—a breathtaking display of the Earth’s raw power up close. Don’t miss this spectacular spot when you visit Kawayu Hot Spring!

About 90 minutes by car from Asahikawa Airport, Sounkyo Hot Spring is the largest hot spring resort in northern Hokkaido, stretching along the dramatic cliffs of Sounkyo Gorge in Daisetsuzan National Park. The hot spring water is colorless, tasteless, and odorless. The simple sulfur spring has therapeutic benefits for skin conditions, rheumatism, diabetes, and high blood pressure. The gentle, low-irritation water is easy on sensitive skin, making it safe and comfortable for seniors, children, and those with delicate skin.

The surrounding area is filled with breathtaking scenic spots. Along the roughly 24 km stretch of sheer cliffs, you will find famous waterfalls like Ginga and Ryusei Falls, as well as Daikan and Shokan—massive rock walls with striking columnar joints that create an overwhelming natural spectacle found nowhere else.

Why not spend a luxurious time here, fully enjoying both sightseeing and relaxing in a hot spring?

Onneyu Hot Spring is a historic and renowned hot spring whose name comes from the Ainu words “Onne” (large) and “Yu” (hot water). The spring water is a simple sulfur hot spring known for its ability to wash away dead skin cells, leaving your skin silky smooth—earning it the nickname “Hot Spring of Beauty.” The fresh, free-flowing spring water directly from the source helps prevent aging and offers expected anti-aging benefits. Although the water has a faint sulfur aroma, it is renowned for being smooth and gentle on the skin with minimal irritation.

In the hot spring town, there is also a seasonal foot bath spot available from late April to late October, loved by locals as a relaxing gathering place.

This area is also famous for flowers. From spring through summer, many flowers bloom beautifully. In early May, when the Ezomurasaki Azaleas are in full bloom, the “Azalea Festival” is held, attracting numerous visitors who come to enjoy the vibrant scenery.

Located about 50 minutes by car from central Sapporo and just 10 minutes from the Jozankei hot spring area, Kogane-yu is a small, hidden hot spring destination. Nestled at the foot of the mountains where the Toyohira River flows, you will find two hot spring inns offering soothing baths with natural hot spring water flowing directly from the source. The hot spring is a simple sulfur spring rich in minerals, said to help lower blood pressure, and has long been loved as a therapeutic retreat. Day-use bathing is also available.

While soaking in the relaxing waters, you can admire beautiful seasonal scenery, including fresh green foliage in spring, vibrant autumn leaves, and stunning winter snowscapes. This tranquil hot spring offers a truly rejuvenating experience.