Maruya Hanare: A Meiji-Era Annex Steeped in Imperial History

Tucked along the historic Kioroshi Kaido highway in Kamagaya City, Chiba Prefecture, Maruya Hanare (丸屋離れ) is a quietly elegant single-story wooden annex that once served as part of a post-town inn during the Meiji period. Registered as a national tangible cultural property in 2020, this refined building is one of the few surviving structures that bear witness to the days when Kamagaya thrived as a bustling waystation on one of the Kanto region's most important trade routes.

The History of Kioroshi Kaido and Kamagaya-juku

The Kioroshi Kaido was a vital highway during the Edo period, connecting Gyotoku on the Edo River to Kioroshi on the Tone River. It served as a crucial route for transporting fresh fish caught in Choshi to the markets of Edo (present-day Tokyo). Along this road, six post towns developed to serve travelers and merchants, and Kamagaya-juku was one of the most prominent among them.

At its peak, Kamagaya-juku boasted seven inns (hatago), catering to daimyo processions, merchants, and travelers of all kinds. Historical records show that the noted Edo-period scholar and painter Watanabe Kazan stopped at one of these inns in 1825, and the agricultural reformer Ohara Yugaku recorded staying at the Maruya inn in 1838. By the Meiji era, however, the rise of railways and modern transportation diminished the need for traditional post-town accommodations, and the number of inns dwindled to four by 1874.

Maruya: The Last Surviving Inn of Kamagaya-juku

The Maruya inn is the sole surviving inn building from the Kamagaya-juku post town. The original structure was destroyed in a devastating fire in 1893 (Meiji 26) and was painstakingly rebuilt over three to four years, completing around 1897. The main building (Maruya) is a two-story wooden structure with a hipped tile roof, retaining characteristic features of traditional inn architecture such as the agedogamae (a distinctive hinged-door entrance) and projecting eaves that evoke the atmosphere of a bygone post-town era.

Although the inn ceased operations by 1902 (Meiji 35), the building continued to serve as a private residence and was later converted into an apartment building in 1956 (Showa 31). Despite these modifications, the building's robust pillars, thick crossbeams, and overall structure faithfully preserve the character of a Meiji-era inn.

Maruya Hanare: The Refined Detached Annex

Standing to the east of the main building, Maruya Hanare is a single-story wooden structure with a hipped tile roof, measuring approximately 65 square meters in floor area. Its dimensions span five and a half ken in length and three ken in depth (approximately 10 meters by 5.5 meters), representing a compact yet thoughtfully designed space.

The annex features verandas (engawa) on three sides—south, east, and west—with a modest entrance (genkan) positioned at the eastern end of the front facade. Inside, two tatami rooms of eight and ten mats are arranged side by side, each furnished with a tokonoma alcove and decorative shelving (tana). The quality of the woodwork and interior fittings throughout the building reflects the high standards of Meiji-period craftsmanship, making it what experts describe as a fine example of a shinzashiki (new reception room) from this era.

An Imperial Connection

Perhaps the most remarkable chapter in the history of Maruya Hanare is its connection to the Japanese imperial family. In 1898 (Meiji 31), Crown Prince Yoshihito—who would later ascend the throne as Emperor Taisho—is said to have stayed at this very annex during an imperial visit (gyokei) to the area. This association with royalty speaks to the quality and prestige of the building, which was evidently considered suitable for hosting a member of the imperial household.

Why It Was Registered as a Cultural Property

On August 17, 2020, Maruya Hanare was officially registered as a national tangible cultural property (building) along with the main Maruya building, becoming part of Kamagaya City's first-ever registered cultural properties. The registration was based on the criterion that the structures contribute to the historical landscape of the nation.

The registration recognizes several key aspects of Maruya Hanare's significance. As a compact yet skillfully crafted Meiji-period annex, it exemplifies the architectural standards of the era. Its high-quality woodwork and traditional room arrangements provide valuable insight into the construction techniques and aesthetic sensibilities of late 19th-century Japanese residential architecture. Combined with the main Maruya building, the two structures represent the last physical evidence of the once-thriving Kamagaya-juku post town.

Visiting Maruya Hanare

Maruya Hanare is located along the Kioroshi Kaido (present-day Chiba Prefectural Route 59), a short walk south from Kamagaya-Daibutsu Station on the Shin-Keisei Line. The distinctive red exterior of the main Maruya building is visible from the street, making it easy to identify.

Please note that both Maruya and Maruya Hanare are private residences, and the interior is not open to public viewing. Visitors can, however, appreciate the exterior architectural features from the street. The surrounding area along Kioroshi Kaido offers a pleasant walking route rich in historical landmarks.

Nearby Attractions

The area around Maruya Hanare offers several points of interest for visitors exploring the historical heritage of Kamagaya City.

Just a minute's walk north from Kamagaya-Daibutsu Station stands the Kamagaya Daibutsu, famously known as one of the smallest Great Buddhas in Japan. This bronze seated Shakyamuni figure, standing just 1.8 meters tall, was cast in 1776 by a wealthy local merchant and has been a beloved community landmark ever since. It was designated as Kamagaya City's first cultural property in 1972.

The Kamagaya City Local History Museum (Kyodo Shiryokan) provides an excellent introduction to the area's rich history, from its origins as a post town to its role in the Edo-period horse-ranching system. Along the Kioroshi Kaido, visitors will also find historical road markers, stone Koshin-to monuments, and other traces of the old highway's past.

The Shibuya Family Residence, also registered as a national tangible cultural property in 2020 alongside the Maruya buildings, is another notable site nearby. This former village headman's estate includes a main house dating from 1826, a rice storehouse from 1848, and a gate from the early Showa period.