Shuzenji Onsen is a hot spring resort in the center of Izu City, Shizuoka Prefecture, and is said to be the oldest hot spring in the Izu Peninsula. Set in a narrow valley along the Katsura River (Shuzenji River), Shuzenji Temple and the hot spring town cluster together, creating a place where layers of history are packed into a compact area you can explore on foot. Rather than a large entertainment district, it is a hot spring town best enjoyed by walking through its temples, river, and bamboo groves.

Its origin traces back to a legend from 807, when Kōbō Daishi (Kūkai) is said to have made a spring gush forth on the banks of the Katsura River. The symbol of the town is Tokko no Yu, which remains in the middle of the river, while historic sites from the Kamakura period, such as Shuzenji Temple, the source of the place name, and Shigetsuden, built by Hōjō Masako to pray for the repose of Minamoto no Yoriie, are woven into the hot spring town itself. This article organizes the history, highlights, spring quality, walking route, and access to Shuzenji Onsen in practical detail.

Kōbō Daishi’s Legend and Tokko no Yu

The starting point of Shuzenji Onsen is Tokko no Yu, located on the riverbed of the Katsura River in the middle of the hot spring town. According to official information from Izu City, when Kōbō Daishi (Kūkai) visited this area in 807, he was moved by the filial devotion of a boy washing his ailing father in the Katsura River, and struck a rock in the river with a Buddhist ritual implement called a tokko scepter, causing a sacred spring to emerge. The legend that the father recovered in that water is one reason Shuzenji is regarded as Izu’s oldest hot spring area.

Tokko no Yu is still the symbol of the hot spring town, but it is no longer a legal bath and cannot be entered today; it can only be viewed. If you want to touch the water, you can use the nearby riverside bath or the footbath on the opposite bank. Even just looking at the small bathhouse nestled between the bridge and the river surface conveys that this hot spring town began as a river hot spring.

Shuzenji Temple and Sites Linked to Minamoto no Yoriie

The name of the hot spring town comes from the ancient temple Shuzenji, said to have been founded by Kūkai. The temple is deeply tied to Kamakura shogunate history and is known as the place where Minamoto no Yoriie, the second shogun, was confined and died at a young age. Shigetsuden, built by his mother Hōjō Masako to pray for his soul, is considered one of the oldest wooden buildings in Izu, and Yoriie’s grave also remains in the temple area.

These historic sites are all within walking distance of the hot spring town. Even without studying the history in detail, visiting Shuzenji Temple, viewing Shigetsuden, and walking along the river quickly reveal the calm atmosphere that gives this hot spring area its character. If you are interested in the architecture and design of the inns themselves, Japanese onsen architecture that designs the bathing experience will also broaden your perspective when choosing accommodation.

The Bamboo Grove Path and a Stroll Along the Katsura River

One of the most frequently mentioned attractions in Shuzenji Onsen is the Bamboo Grove Path. This riverside promenade runs along the Katsura River and is only a short distance from the center of the hot spring town. It can be walked in a short time, and together with the vermilion bridges spanning the river, it offers a quintessential Shuzenji landscape all at once.

The hot spring town stretches long and narrow through the valley, with several bridges crossing the Katsura River. Walking the same area at different times of day changes the impression, which is another charm of this resort. In the Meiji era, literary figures such as Natsume Sōseki, Okamoto Kidō, and Akutagawa Ryūnosuke stayed here in search of a quiet environment. Rather than rushing through one sightseeing spot after another, taking the time to explore a limited stage of temples, bamboo groves, and river scenery is the best way to appreciate Shuzenji.

Spring Quality: Alkaline Simple Hot Spring

The spring quality of Shuzenji Onsen is mainly an alkaline simple hot spring. Rather than a strongly scented or deeply colored water, it is known as a gentle spring that is mild on the skin. This is a hot spring area where the pleasure lies less in strong color or fragrance and more in enjoying the time spent bathing during a calm stay.

Simple hot springs are mild in their effect, but long bathing can still lead to dizziness or fatigue. Because this is a place best enjoyed together with scenery and walks through the bamboo grove, it is wise to keep baths to manageable intervals and hydrate in between. If you want to learn more about the characteristics of different spring types, see Onsen spring types for beginners.

Sample Route and How to Explore

If you are staying overnight, a good plan is to walk the Bamboo Grove Path and the hot spring town on the afternoon of arrival, take in Tokko no Yu and the bridges, and then check into your inn. The next morning, you can visit Shuzenji Temple and Shigetsuden when the area is less crowded. Because the atmosphere changes between the evening illumination and the quiet of morning, Shuzenji is better suited to an overnight stay than a day trip.

Even on a day trip, you can cover the main sights, but once travel time is subtracted, the stroll may feel rushed. If you are looking for inns or day-use bathing facilities in Shuzenji Onsen, it is a good idea to compare places in the facility list and choose one that fits your needs. We have prepared Facility list and Search page so you can narrow options by area and budget. Differences between ryokan and day-use facilities are organized in Types of Japanese bath facilities.

Access

The main gateway to Shuzenji Onsen is Shuzenji Station, the terminus of the Izuhakone Railway Sunzu Line. From the Tokyo area, the easiest route is to take the Tokaido Shinkansen to Mishima Station and transfer to the Sunzu Line. It takes about 32 minutes from Mishima Station to Shuzenji Station, and about 10 minutes by bus or taxi from Shuzenji Station to the hot spring town. There are also direct highway buses from places such as Shinjuku, which are a good option if you want to avoid transfers.

By car, the approximate travel time from Numazu Interchange via a toll road is about 30 minutes. However, because the hot spring town sits in a valley with narrow roads and is designed to be explored on foot, it is easier to get a feel for the atmosphere if you leave your car at the inn after arrival and walk most of the way. If you are combining Shuzenji with other areas in Izu, it helps to decide in advance whether Shuzenji will be the main destination or just part of a broader tour, so you can plan your stay without hesitation.

FAQ

Why is Shuzenji Onsen considered Izu’s oldest hot spring?

It comes from the legend that Kōbō Daishi created Tokko no Yu in 807. Official information from Izu City also معرفی it as the oldest hot spring in the Izu Peninsula.

Can you bathe in Tokko no Yu?

No. It is no longer a legal bath, so it can only be viewed and cannot be used for bathing. If you want to touch the water, use the nearby riverside bath or the footbath on the opposite bank.

What is the spring quality of Shuzenji Onsen?

It is mainly an alkaline simple hot spring. The water is gentle and mild on the skin, not strongly colored or fragrant.

How do I get there from Tokyo?

Take the Shinkansen to Mishima Station, then the Izuhakone Railway Sunzu Line to Shuzenji Station, the terminus, which takes about 32 minutes from Mishima. From the station to the hot spring town, it is about 10 minutes by bus or taxi. Direct highway buses from Shinjuku and other areas are also available.

Is it enjoyable as a day trip?

You can visit the main sights on a day trip, but once travel time is included, the stroll can feel short. Because the town changes character between night and morning, an overnight stay lets you enjoy Shuzenji more fully.

Summary

Shuzenji Onsen is said to be Izu’s oldest hot spring area, with Kōbō Daishi’s legend of the spring’s origin, Tokko no Yu, Shuzenji Temple linked to Minamoto no Yoriie, and the Bamboo Grove Path along the Katsura River all concentrated within walking distance. Its spring quality is mainly an alkaline simple hot spring, so its value lies less in the water’s distinctiveness than in its history and tranquil atmosphere. With access from Mishima Station in about 32 minutes on the Sunzu Line, it is easy to reach, and if you make time for both temple-and-river walks and bathing, Shuzenji’s appeal comes fully into view.

Sources

• Izu City Tourism Information: Tokko no Yu
• Izu City Tourism Information: Shuzenji Onsen
• Shuzenji Onsen Tourism Association: Access to Shuzenji Onsen
• Wikipedia: Shuzenji Onsen