Fumonji Temple Bentendo (Former Ryujingu): A Hidden Edo-Period Gem in Toyohashi's "Maple Temple"

Tucked into the southeastern slope of Mt. Funagatayama in Toyohashi City, Aichi Prefecture, the Bentendo (Benten Hall) of Fumonji Temple is a small but exquisite shrine-style building constructed in 1714. Originally enshrining a dragon deity as Ryujingu (Dragon God Shrine), today it honors Benzaiten, the goddess of water, music, eloquence, and good fortune. In March 2025, the Bentendo was recommended for registration as a National Registered Tangible Cultural Property, recognizing the inventive craftsmanship that sets this small Edo-period sanctuary apart. Surrounded by ancient cypress trees and ringed by some of Aichi Prefecture's finest autumn foliage, the Bentendo offers visitors a quiet encounter with three centuries of devotional artistry.

The Story of Fumonji Temple and the Path to the Bentendo

To understand the Bentendo, it helps to know the temple that surrounds it. According to temple tradition, Fumonji was founded in 727 by the celebrated monk Gyoki at the imperial request of Emperor Shomu. The temple's mountain name, Senkyozan, comes from the boat-like silhouette of the surrounding ridge, and its main image, a Holy Avalokitesvara (Sho Kannon), has been venerated for nearly 1,300 years.

By the late Heian period, Fumonji had become a major mountain temple complex with hundreds of sub-halls climbing the slopes of Mt. Funagatayama. It received protection from successive warrior leaders, including Minamoto no Yoritomo, Imagawa Yoshimoto, and Tokugawa Ieyasu, and survived two devastating fires that swept through the medieval grounds. The Bentendo is part of the temple's Edo-period rebuilding, when the lower precinct was reorganized into the layout that visitors still walk today.

The Bentendo sits slightly apart from the main hall, reached by a gentle stone-stepped path known as Ryoenzaka, or the "Slope of Good Connections." Two majestic Japanese cypresses, around 250 years old, stand side by side along this path and are affectionately called Meoto-hinoki, the "Husband and Wife Cypresses." The pairing of the trees with the hall dedicated to Benzaiten, who is said to grant beneficial relationships, has made this corner of the precinct a quiet pilgrimage spot for those praying for love, marriage, and lasting bonds.

From Dragon Shrine to Benten Hall: A Building with Two Identities

The Bentendo's full official name, Bentendo (former Ryujingu), reflects an unusual transformation in its history. When it was built in 1714, the structure was a Ryujingu, a shrine to the dragon god, a deity associated with water, rain, and the protection of mountain springs. Such dragon shrines were common at Buddhist mountain temples, where reliable water sources were essential for both the monastic community and the surrounding farming villages.

Over the centuries, the building's primary deity shifted from the dragon god to Benzaiten, the Buddhist goddess often depicted holding a biwa lute. Benzaiten is closely connected to dragons in Japanese religious thought, and many famous Benten halls across Japan are situated on islands or near water. The continuity between the two deities meant that the change in dedication did not require rebuilding, and today the structure preserves the original Edo-period architecture while serving its present role as a hall of Benzaiten worship.

Why the Bentendo Was Recognized as a Cultural Property

On March 21, 2025, Japan's Council for Cultural Affairs recommended that six historic buildings at Fumonji Temple, including the Bentendo, be registered as National Registered Tangible Cultural Properties. The Bentendo was singled out for its abundance of ornamental detail and the originality of its design.

The most distinctive feature of the Bentendo is the treatment of its four corner pillars. The top of each corner pillar is carved into the shape of a rooster's head, an unusual decorative motif rarely seen in shrine architecture of this period. Combined with rich carvings on the bracket complexes, frieze panels, and door surrounds, these details give the small hall a sculptural quality far beyond what its modest size would suggest. For specialists, the Bentendo is valued as an example of an Edo-period shrine builder's freedom to experiment with iconography while still working within established carpentry traditions. For visitors, the building offers a chance to see, at close range, the inventive spirit of provincial Edo-period craftsmanship.

Highlights to Look For When You Visit

Although the Bentendo is compact, it rewards close and patient looking. Begin by walking slowly up the Ryoenzaka path so that the building reveals itself gradually through the trees. Approaching from below, you can appreciate how the hall is set into a small clearing surrounded by mossy stone, mature cypress, and seasonal maples.

At the building itself, the four rooster-headed corner pillars are the highlight. Look upward where each pillar meets the eaves, and you will see the carved heads emerging from the wood as if perched at the very edge of the structure. The bracket complexes and the small carved panels above the entrance reward attention as well, with floral and animal motifs crafted in a lively, playful spirit. The roof retains its traditional silhouette, and from certain angles the hall seems almost to float among the surrounding trees.

The setting itself is part of the experience. The Meoto-hinoki cypresses just below the Bentendo are themselves designated trees of note, and the moss-covered stones along the path date from much earlier centuries of temple use. In autumn, the maples around the Bentendo turn brilliant shades of crimson and gold, and the hall becomes one of the most photographed spots in the entire Fumonji precinct during the temple's late-November to mid-December Momiji Festival.

What Else to See at Fumonji and Nearby

A visit to the Bentendo pairs naturally with the wider Fumonji precinct. The Hondo (Main Hall, built in 1693), the Daishido (Kobo Daishi Hall, 1854), the Shoroumon (bell-tower gate, 1707), the Niomon (1688), and the Juodo (1852) were all recommended for registration as National Registered Tangible Cultural Properties together with the Bentendo, allowing visitors to walk through three centuries of Edo-period temple architecture in a single afternoon. The Buddhist Image Hall houses six Important Cultural Property sculptures from the Heian period and three Aichi Prefecture-designated images, which are open to the public during special dates including the Children's Day on May 5, Culture Day on November 3, and the Momiji Festival.

Fumonji is widely known as Toyohashi's "Maple Temple," and the precinct holds around 300 maple trees that color the grounds well into mid-December, making it one of the latest places in Aichi Prefecture to enjoy autumn foliage. Spring brings fresh green maples and an early-spring "Shinryoku Festival," while a small grove of Himalayan cherry trees blooms unusually late, sometimes alongside the autumn maples in November.

The temple's location near the Aichi-Shizuoka prefectural border makes it easy to combine with sights in the Lake Hamana area to the east, including the Tenryu Hamanako Railway and the historic Arai-juku post town. Closer to Toyohashi Station, the Yoshida Castle ruins and Yoshida Shrine, both connected to the same Yoritomo-era history that supported Fumonji, make rewarding stops on the way back into the city.

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Q&A

QCan I enter the Bentendo or only view it from outside?
AThe Bentendo is normally viewed from the outside as you walk past it on the temple grounds. The architectural details that earned it cultural property recognition, including the rooster-headed corner pillars, are all visible from the exterior. Special interior openings may be arranged during temple events; please check with the temple office in advance.
QWhen is the best time of year to visit?
ALate November through mid-December is the most popular season, when the maples around the Bentendo and main precinct turn brilliant red and gold during the Momiji Festival. Late April to early May offers fresh green maples and a peaceful atmosphere with fewer visitors.
QWhy is the building called both Bentendo and Ryujingu?
AWhen it was built in 1714, the structure was a Ryujingu, a shrine to the dragon god of water. Over time, the principal deity shifted to Benzaiten, who is closely associated with dragons and water in Japanese religious thought. The name reflects this history: Bentendo today, formerly Ryujingu.
QIs there an admission fee?
AEntry to the Fumonji precinct is generally free, though a small fee may apply during special events such as the Momiji Festival. The Buddhist Image Hall, which houses the Important Cultural Property sculptures, is open only on designated dates.
QHow do I get to Fumonji Temple by public transport?
AThe nearest station is Shinjohara Station, served by the JR Tokaido Line and the Tenryu Hamanako Railway, about a 40-minute walk from the temple. By car, the temple is about 30 minutes from the Mikkabi IC on the Tomei Expressway, and there is a parking area for around 70 vehicles.

Basic Information

Name Fumonji Temple Bentendo (Former Ryujingu)
Cultural Property Status Recommended for registration as a National Registered Tangible Cultural Property (Building) by Japan's Council for Cultural Affairs on March 21, 2025
Year of Construction 1714 (Shotoku 4, Edo period)
Original Function Ryujingu (Dragon God Shrine); now serves as a Bentendo enshrining Benzaiten
Architectural Highlight Four corner pillars with tops carved in the shape of rooster heads, rich ornamental carvings throughout
Address 7 Nabeyamashita, Unoya-cho, Toyohashi City, Aichi Prefecture 441-3104
Owner Religious Corporation Fumonji
Sect Koyasan Shingon-shu
Mountain Name Senkyozan
Access About 40 minutes on foot from Shinjohara Station (JR Tokaido Line / Tenryu Hamanako Railway); about 30 minutes by car from Mikkabi IC on the Tomei Expressway
Telephone 0532-41-4500

References

Fumonji Temple Official Website (Temple History and Cultural Properties)
https://fumonji727.com/
Fumonji Temple Official Website (Cultural Properties Page)
https://fumonji727.com/bunkazai.php
Fumonji Temple Official Website (Visitor Guide)
https://fumonji727.com/sanpai.php
Higashi Aichi Shimbun: Fumonji Hondo and Other Buildings Recommended for National Registered Tangible Cultural Property Status
https://higashiaichi.jp/news/detail.php?id=24467
Wikipedia: Fumonji Temple (Toyohashi City)
https://ja.wikipedia.org/wiki/普門寺_(豊橋市)
Toyohashi Tourism & Convention Association: Fumonji Temple
https://www.honokuni.or.jp/toyohashi/spot/000046.html
Hamamatsu-Hamanako Tourism: 1300 Years of "Maple Temple Fumonji"
https://hamamatsu-daisuki.net/pickup/5973/

Last verified: 2026.04.28