Dogo Onsen and Matsuyama: Soaking in One of Japan's Oldest Hot Springs

On the island of Shikoku, in the castle city of Matsuyama, stands a three-story wooden bathhouse with layered tiled roofs, a drum tower and a white heron on its peak. Dogo Onsen Honkan is a national Important Cultural Property, a gathering place for more than 130 years and the symbol of one of Japan's oldest hot spring towns.

This guide explains the legends of the springs, the architecture of the Honkan, the connection to the classic novel Botchan, what to see at Matsuyama Castle, and how to plan a visit with practical tips for first-time bathers.

A Hot Spring With Ancient Roots

Dogo Onsen is said to have a history of about 3,000 years, and the official Dogo Onsen site calls it the oldest onsen in Japan. Written evidence is also impressive: the springs appear in the Man'yoshu, Japan's oldest poetry anthology, which was put together in the eighth century. A well-known legend says that a white egret with an injured leg healed itself by resting in the spring, which led people to try its waters. A figure of a white heron (shirasagi) still crowns the Honkan today.

Another tradition says Prince Shotoku, who lived from 574 to 622, bathed here. In the bathhouse, a stone called Tama no ishi bears the footprint of the deity Sukunabikona no Mikoto, who is linked with healing in local legend. These stories give the baths a spiritual air that complements the soothing water.

The Honkan: A Wooden Landmark of 1894

The Dogo Onsen Honkan was organized by mayor Isaniwa Yukiya and built in 1894. It has three levels and a distinctive layered roof, and a tower on top houses a drum that marks the time. The building was designated a National Important Cultural Property in December 1994, the first public bathhouse to receive this recognition.

A large conservation project began in January 2019, while the bathhouse stayed open. The entire building, including the resting rooms, reopened on July 11, 2024, after about five and a half years, and the work was completed on December 20, 2024, according to the official site. Visitors today can enjoy a well cared for building whose timber, tile and glass reflect Meiji-era craftsmanship.

Inside the Bathhouse

The first floor holds the Kami-no-yu bathing rooms (the baths of the gods), which are open to the public for a modest fee, and the second floor has a rest hall where visitors relax with tea and sweets after bathing. The Tama-no-yu baths offer a more private option with a lounge. Hours for the Kami-no-yu are generally 6:00 to 23:00, but check the official page for current times and last entry.

On the second floor is the Yushinden, a bathhouse built in 1899 for the Imperial Household. The official site describes it as the only bathhouse in Japan reserved exclusively for the imperial family, and today visitors can see it on guided tours. On the third floor, private rooms for relaxing include the Botchan-no-ma, a room associated with the novelist Natsume Soseki. These rooms require reservations, and same-day booking is by phone.

Natsume Soseki and Botchan

Natsume Soseki (1867 to 1916) is one of Japan's most celebrated writers, and he taught for a time in Matsuyama. Out of that experience he wrote Botchan in 1906, a comic novel about a brash young math teacher from Tokyo who takes a post in a provincial school. In the novel, Botchan clashes with colleagues and students, makes a few friends and finds one place that he likes: the hot spring. He visits it often.

The novel remains popular in Japan, and Matsuyama embraces the connection. Local souvenirs, sweets and the retro Botchan Ressha trains carry the name. Reading a translation before your visit gives the town an extra layer of meaning, and Soseki's descriptions of baths and the town show how little the spirit of the place has changed.

Matsuyama Castle

Above the city on Mount Katsuyama stands Matsuyama Castle, built by the warlord Kato Yoshiaki. He moved his seat here in 1602, and the castle was completed in 1627. The main keep (tenshu) was destroyed by lightning in 1784 and was rebuilt in 1854 under Matsudaira Katsuyoshi. It is one of only twelve castles in Japan with an original keep, meaning a surviving wooden tower that was not rebuilt in concrete during the modern era.

The Hisamatsu branch of the Matsudaira clan governed the domain until the Meiji Restoration in 1868. In 1935 the keep and 34 other structures were designated for protection, and some were later lost in wartime air raids. Visitors can reach the castle on foot or by ropeway and chairlift, and the view from the keep takes in the city and the surrounding mountains.

Other Baths and a Bathing Plan

Dogo Onsen has several public baths in addition to the Honkan. Tsubaki-no-Yu and Asuka-no-Yu are nearby bathhouses with larger capacity: Asuka-no-Yu can hold 85 men and 85 women, and Tsubaki-no-Yu 60 men and 60 women. The official site offers a three-bathhouse ticket valid for two days that covers the Honkan, Tsubaki-no-Yu and Asuka-no-Yu, with a discount. At busy times, Tsubaki-no-Yu issues numbered tickets.

The Honkan itself is a day-use public bath and does not offer overnight stays. Visitors who wish to stay can book a ryokan (traditional inn) in the Dogo area through the local ryokan association. Evenings are especially atmospheric, when guests stroll the streets in yukata (cotton robes) between baths.

Streetcars, Sweets and Strolling

Matsuyama is a compact city, and the local streetcar system is one of the easiest ways to travel between the castle area and the hot spring district. Some of the cars are retro-styled and carry the Botchan name, which fits the literary theme. The ride itself is a small pleasure, offering a view of everyday life along city streets.

Near the baths, a covered shopping arcade and side streets offer souvenirs, local crafts and snacks. Look for Botchan dango, three-colored skewered dumplings named after the novel, and for products made with mikan, the citrus fruit for which Ehime Prefecture is famous. After bathing, many visitors walk in yukata (light cotton robes) along the street. If you wear a yukata, remember to fold the left side over the right, a rule in Japanese dress that is reversed only for the deceased.

Plan Your Visit

Matsuyama can be reached by air from major Japanese cities or by train from Okayama on the mainland, then by a streetcar to the Dogo Onsen area. Plan a full day or an overnight stay for the baths, the castle and the nearby shopping arcades. Check the official site for current prices, hours and any closing days.

Bathing etiquette is the same as at other onsen: wash thoroughly at the shower stations before entering, keep towels out of the water, tie up long hair and be quiet. Rules about tattoos vary by facility, so check before you go. Bring a small towel and a bag, or buy them on site, and allow time to rest in the lounge afterward.