East Room of Horyuji Temple

Hōryū-ji Higashimuro: A National Treasure Monks' Quarters from the Nara Period

Standing quietly to the east of the western cloister at Hōryū-ji Temple, the Higashimuro (East Monks' Quarters) is one of the most historically significant yet often overlooked buildings within this UNESCO World Heritage site. As one of the oldest surviving monks' dormitories in Japan, this National Treasure offers visitors a rare and intimate glimpse into the daily lives of Buddhist monks during the Nara period (710–793). While Hōryū-ji is celebrated worldwide for its iconic Five-Story Pagoda and Golden Hall, the Higashimuro holds an equally important place in the history of Japanese architecture—preserving construction techniques and materials that may date back to the very founding of the temple in the 7th century.

Historical Background

Hōryū-ji Temple was originally established in 607 by Prince Shōtoku and Empress Suiko. After a devastating fire in 670 destroyed the original complex, the temple was rebuilt in the early 8th century in its current location. The Higashimuro was constructed during this reconstruction period as part of the essential infrastructure for the monastic community.

The building originally served as a sōbō (monks' dormitory), providing living quarters for the resident monks of Hōryū-ji. It was known as the "great quarters" (ōbō), housing senior monks, while the adjacent Tsumamuro (Conjugal Quarters) to the east—originally called the Koshibō (lesser quarters)—accommodated attendants who served the senior clergy.

A major turning point came in 1121, during the 500th memorial anniversary of Prince Shōtoku's death. The southern portion of the Higashimuro was converted into the Shōryō-in (Sacred Spirit Hall) to enshrine a statue of Prince Shōtoku. The building later suffered a collapse between 1101 and 1110, after which it was rebuilt in 1121. Subsequent renovations took place in 1377 (Eiwa 3), which gave the building much of its current appearance. The Shōryō-in section was further remodeled in 1284 during the Kamakura period.

Why It Is Designated as a National Treasure

The Higashimuro was first designated as an Important Cultural Property in 1942 and elevated to National Treasure status on May 29, 1965. Its designation reflects several exceptional qualities that make it invaluable to the understanding of Japanese architectural history.

First and foremost, the Higashimuro is one of the very few surviving examples of ancient Japanese monks' dormitory architecture. While temple halls and pagodas from the Nara period have been preserved at various sites, monks' residential buildings from this era are extraordinarily rare. The Higashimuro provides direct evidence of how monastic communities organized their daily living spaces over 1,200 years ago.

The building's construction is remarkably simple yet refined: the side columns and inner columns carry beams directly on top of them, and round rafters are used—a construction method of extreme simplicity that reflects the utilitarian nature of monastic housing. Although the building has undergone multiple repairs and modifications over the centuries, the second and third rooms have been restored to their original Nara-period monks' quarters configuration, allowing visitors and scholars to study the authentic structural forms of the period.

Perhaps most remarkably, some of the foundation stones and pillars in the Higashimuro are believed to be reused materials from the original Hōryū-ji temple—materials that may date back to the founding era of the 7th century. This makes the building not only a testament to Nara-period architecture but also a physical link to the very origins of Hōryū-ji itself.

Architectural Highlights and Features

The Higashimuro is an elongated structure measuring twelve bays in length and four bays in depth, with a single-story gable roof covered in traditional Japanese tiles (hongawarabuki). The building stretches in a north–south direction along the eastern side of the western precinct's cloister, creating a dignified corridor-like presence within the temple grounds.

The structural system is characterized by its austere simplicity. Unlike the ornate bracketing systems found on the Golden Hall or Five-Story Pagoda, the Higashimuro employs a straightforward post-and-beam construction where columns directly support the ridge beams. This no-frills approach is entirely appropriate for a residential building that prioritized function over ceremonial grandeur.

The current appearance of the building largely reflects the renovations carried out in 1377, but certain sections—particularly the second and third rooms—have been carefully restored to reveal the original Nara-period dormitory layout. These restored sections allow visitors to appreciate how individual monks' cells were arranged within the long hall.

Adjacent to the Higashimuro on the south side is the Shōryō-in, a National Treasure in its own right. Originally part of the same building, the Shōryō-in was created by converting the southern end of the Higashimuro into a hall dedicated to Prince Shōtoku. Inside, magnificent wooden statues of Prince Shōtoku and his attendants—all designated as National Treasures—are enshrined in three ornate cabinets (zushi). These statues are shown to the public only during the annual Oeshiki ceremony held from March 22 to 24.

Visitor Information

The Higashimuro is located within the western precinct of Hōryū-ji Temple in Ikaruga, Nara Prefecture. As part of the temple complex, it can be viewed during regular visiting hours. The building is visible from the exterior as visitors walk through the western precinct, though the interior is generally not open to the public.

Hōryū-ji is open from 8:00 AM to 5:00 PM between February 22 and November 3, and from 8:00 AM to 4:30 PM between November 4 and February 21. The general admission fee covers access to the Western Precinct (Saiin Garan), the Great Treasure Hall (Daihōzōin), and the Eastern Precinct (Tōin Garan).

To reach Hōryū-ji, take the JR Yamatoji Line to Hōryū-ji Station, then walk approximately 20 minutes or take the Nara Kōtsū bus to the Hōryūji-sandō stop. From Kintetsu Tsutsui Station, take a bus bound for Ōji and alight at Hōryūji-mae, then walk about 5 minutes.

Surrounding Attractions

Hōryū-ji's vast 187,000-square-meter grounds contain an extraordinary concentration of National Treasures and Important Cultural Properties. Key highlights within the same complex include the Golden Hall (Kondō) and Five-Story Pagoda (Gojū-no-Tō)—both among the oldest surviving wooden structures in the world—the Dream Hall (Yumedono), and the Great Treasure Hall (Daihōzōin), which houses the famous Kudara Kannon statue.

Just east of Hōryū-ji lies Chūgū-ji Temple, a nunnery founded by Prince Shōtoku for his mother, famous for its graceful Miroku Bosatsu statue. Nearby Hōki-ji Temple, also part of the UNESCO World Heritage site, features Japan's oldest and largest three-story pagoda. Together with Hōrin-ji Temple, these three pagodas are known as the "Three Pagodas of Ikaruga" and create a scenic pilgrimage route through the historic town.

The area around Hōryū-ji also offers charming restaurants and cafés where visitors can enjoy local Yamato cuisine. The town of Ikaruga itself retains a peaceful rural atmosphere, making it an ideal setting for a leisurely exploration of Japan's most ancient Buddhist heritage.