Renjoji Temple Main Hall

Renjoji Temple Main Hall: A Unique Registered Cultural Property in Kinosaki Onsen

Nestled on the hillside of the renowned Kinosaki Onsen hot spring town, the Main Hall of Renjoji Temple (蓮成寺本堂) stands as a fascinating testament to the layered religious history of Japan's Tajima region. This Jodo Shinshu (True Pure Land Buddhism) temple, formally known by its mountain name Hochizan (宝池山), belongs to the Honganji-ha denomination and is affiliated with the Honganji Kobe Branch's Kinosaki group. Registered as a National Registered Tangible Cultural Property in October 2017, the Main Hall is distinguished by its unusual architectural origins — originally constructed in 1933 as a hall for the Oomoto religious movement before being relocated and repurposed as a Buddhist temple in 1936.

Historical Background

The Main Hall of Renjoji Temple has a remarkable story of architectural transformation. The building was originally erected in 1933 (Showa 8) as the Kakumeiden (鶴鳴殿, "Hall of the Singing Crane"), serving as the Tanshu Branch of the Oomoto religious organization. Oomoto, a Shinto-derived new religious movement founded in the late 19th century, experienced rapid growth in the early decades of the 20th century and established branch facilities across Japan.

However, the Second Oomoto Incident of 1935 brought severe government suppression against the movement, resulting in the destruction or confiscation of Oomoto facilities nationwide. In the wake of these events, the Kakumeiden building was relocated to the grounds of Renjoji Temple in 1936, where it was adapted for use as the main hall of this Jodo Shinshu temple. A worship porch (向拝, kohei) and secondary eaves (下屋, geya) were added to the structure, transforming it into a proper Buddhist temple hall while preserving much of the original building's character.

Why It Was Registered as a Cultural Property

The Main Hall of Renjoji Temple was registered as a National Registered Tangible Cultural Property (国登録有形文化財) on October 27, 2017. The registration recognizes the building's unique architectural and historical significance on several grounds.

First, the structure preserves a rare example of early Showa-era religious architecture with a distinctive fusion of traditional Japanese and Western construction techniques. The roof framing employs a King Post Truss system — a Western-style structural method that was being adopted in Japanese architecture during this period, reflecting the modernization of building technology in pre-war Japan.

Second, the building's unusual history — originating as an Oomoto hall and being repurposed as a Buddhist temple — makes it a living document of Japan's complex religious landscape during the turbulent 1930s. The architectural modifications made during the conversion, particularly the addition of the worship porch and secondary eaves, created a distinctive asymmetrical facade that sets it apart from conventional Jodo Shinshu temple halls.

Third, the addition of rooms along the western side caused the worship porch to be positioned off-center, while a cusped window (花頭窓, katoumado) at the western end lends the building a visually striking and characterful exterior. These features combine to make the Main Hall a noteworthy example of adaptive religious architecture.

Architectural Highlights

The Main Hall is a single-story wooden structure with a tile roof, covering a building area of 213 square meters. Several architectural features make it particularly noteworthy for visitors interested in Japanese building traditions.

King Post Truss Roof Structure

The roof framing utilizes a King Post Truss (キングポストトラス), a Western structural engineering technique that was introduced to Japan during the Meiji and Taisho periods. This type of truss uses a central vertical post supported by diagonal struts to distribute the weight of the roof, allowing for wider interior spans without intermediate columns. The adoption of this technique in a religious building reflects the pragmatic blending of Eastern and Western construction methods that characterized early Showa architecture.

Asymmetrical Facade

One of the most visually distinctive features of the Main Hall is its asymmetrical front facade. Because a row of additional rooms was added along the western side of the building, the worship porch (向拝) is positioned off-center rather than in the traditional central location. This gives the building an unconventional appearance compared to standard Jodo Shinshu temple halls.

Cusped Window (Katoumado)

At the western end of the facade, a cusped window (花頭窓) adds an elegant decorative element. The katoumado is a window style originally derived from Chinese Zen Buddhist architecture, characterized by its pointed arch shape. Its placement at the end of the building creates a graceful visual accent that balances the asymmetry of the worship porch.

Visiting Renjoji Temple

Renjoji Temple is located within the Kinosaki Onsen hot spring district, making it an easy addition to any visit to this famous spa town. The temple grounds sit on the mountainside above the main street of the onsen town, offering visitors a peaceful retreat from the lively atmosphere of the bathhouse district below.

As Renjoji is an active place of worship, visitors should be respectful when visiting the grounds. There is no dedicated parking lot at the temple, so visitors are advised to use public coin-operated parking lots in the Kinosaki Onsen area. The temple is accessible on foot from Kinosaki Onsen Station in approximately 15 to 20 minutes.

Surrounding Attractions

Kinosaki Onsen is one of Japan's most beloved hot spring towns, renowned for its seven public bathhouses (外湯, sotoyu) where visitors stroll between baths in traditional yukata robes and wooden geta sandals. The town's history stretches back over 1,300 years, with its origins attributed to the Buddhist priest Dochi Shonin in 717 CE.

• Onsenji Temple (温泉寺) — The guardian temple of Kinosaki Onsen, founded by Dochi Shonin, housing a National Important Cultural Property eleven-faced Kannon statue. Accessible by ropeway or on foot.
• Seven Public Bathhouses (外湯めぐり) — The iconic bathhouse-hopping experience of Kinosaki, including Ichinoyu, Mandara-yu, and Goshonoyu, each with distinct architectural styles and therapeutic traditions.
• Kinosaki Ropeway (城崎ロープウェイ) — A cable car ascending Daishi-yama mountain, offering panoramic views of the town, the Maruyama River valley, and the Sea of Japan coastline. The mountain-top station is itself a Registered Tangible Cultural Property.
• Shisho Shrine (四所神社) — The tutelary shrine of Kinosaki Onsen, located at the center of the hot spring district.
• Kinosaki Literary Museum and Town Walk — Kinosaki has strong literary connections, most famously as the setting of Naoya Shiga's celebrated short story "At Kinosaki" (城の崎にて, 1917).