The National Treasure Seated Statue of Kobo Daishi: A Masterpiece by Kosho at Toji Temple

Within the hallowed walls of Toji Temple's Miei-do (Founder's Hall) in Kyoto rests one of Japan's most revered sculptural works — a wooden seated statue of Kobo Daishi, the founder of Shingon Buddhism. Carved in 1233 by the master sculptor Kosho, fourth son of the legendary Unkei, this National Treasure is far more than an artwork. It is a living object of devotion, receiving daily offerings of food as though Kobo Daishi himself were still present. For visitors from abroad, encountering this statue offers a rare window into the spiritual heart of Japanese Buddhism and the extraordinary craftsmanship of the Kamakura period.

Who Was Kobo Daishi?

Kobo Daishi, born Kukai (774–835), is one of the most important figures in Japanese religious history. A scholar, poet, calligrapher, and Buddhist monk, he traveled to Tang Dynasty China in 804 and returned to Japan with the teachings of Esoteric Buddhism, founding the Shingon school. Emperor Saga entrusted him with Toji Temple in 823, transforming it into the headquarters of Shingon Buddhism. Kukai later established the monastery on Mount Koya (Koyasan), where he is believed by followers to remain in eternal meditation. His posthumous title "Kobo Daishi" (Great Master Who Spread the Dharma) was granted by the imperial court, and he is affectionately called "Odaishi-sama" by millions of devotees throughout Japan.

The Sculptor Kosho: Unkei's Fourth Son

The statue's creator, Kosho (dates unknown), was the fourth son of Unkei, the most celebrated sculptor of the Kamakura period. Kosho belonged to the Kei school of Buddhist sculptors, renowned for their powerfully realistic and expressive style. His earliest known work was a collaboration with his father on the Nio Guardian statues at Toji Temple's South Gate in the late 1190s. By the time he created the Kobo Daishi statue in 1233, Kosho had attained the rank of Hogen (Eye of the Law), one of the highest honors bestowed upon Buddhist artists.

Kosho is also celebrated as the creator of the extraordinary Standing Statue of Kuya Shonin at Rokuharamitsu-ji Temple in Kyoto, an Important Cultural Property famous for its striking depiction of six tiny Amida Buddha figures emerging from the monk's mouth — a visual representation of the chanted nembutsu prayer. This work, along with the Kobo Daishi statue, demonstrates Kosho's exceptional skill in portrait sculpture and his ability to capture spiritual depth through realistic representation.

Why Was This Statue Designated a National Treasure?

The Wooden Seated Statue of Kobo Daishi was designated a National Treasure on June 27, 2000, in recognition of several extraordinary qualities. It is the prototype for all subsequent depictions of Kobo Daishi in sculpture, establishing the standard known as the "Shinnyo Shinno-yo" style. This style is based on a portrait painting attributed to Prince Shinnyo (Takaoka Shinno), a disciple of Kukai, enshrined at Koyasan. The statue depicts Kobo Daishi seated on a chair, holding a vajra (five-pronged ritual implement) in his right hand raised to chest level, and prayer beads in his upturned left palm resting on his knee.

Crafted from Japanese cypress (hinoki) using the yosegi-zukuri (joined-wood) technique, the statue measures 83 centimeters in height. Crystal inlays were used for the eyes (gyokugan technique), creating an uncanny lifelike gaze. X-ray photography has revealed sacred scrolls concealed within the statue's head and torso, evidence of the deep devotional purpose behind its creation. Although originally painted in polychrome, the surface now displays a rich black lacquer ground that lends the figure a dignified, meditative presence.

Historical records, including the National Treasure document "Toho-ki" (Record of Eastern Treasures), confirm that the statue was commissioned by the high priest Shingon Sojo in 1233, the year before the 400th memorial of Kobo Daishi's passing. This makes the statue not only an artistic masterpiece but also a critical document of Kamakura-period religious devotion and the development of Kobo Daishi worship in Japan.

Highlights and What to See

Toji Temple: A UNESCO World Heritage Site

Toji Temple (formally Kyo-o-gokoku-ji, "Temple for the Defense of the Nation by the King of Doctrines") was founded in 796, just two years after the capital moved to Kyoto. Designated a UNESCO World Heritage Site as part of the "Historic Monuments of Ancient Kyoto," the temple complex houses an extraordinary collection of National Treasures and Important Cultural Properties. Highlights include the Five-Storied Pagoda — Japan's tallest wooden pagoda at approximately 55 meters — the Kondo (Golden Hall) with its magnificent Yakushi Nyorai triad, and the Kodo (Lecture Hall) featuring a three-dimensional mandala composed of 21 Buddhist statues.

Kobo-san Flea Market

On the 21st of every month, the temple grounds come alive with the famous "Kobo-san" flea market, featuring over 1,000 stalls selling antiques, kimono, ceramics, street food, and handcrafted goods. The market runs from early morning until approximately 4:30 PM and attracts over 200,000 visitors monthly. Combining a visit to see the Kobo Daishi statue with the flea market makes for a particularly rewarding experience.

Surrounding Attractions

Toji Temple's location near Kyoto Station makes it an ideal starting point for exploring the city. Nearby attractions include Nishi Hongan-ji Temple (a UNESCO World Heritage Site, approximately 15 minutes on foot), Higashi Hongan-ji Temple, and the Kyoto Railway Museum. For those interested in the Kei school of Buddhist sculpture, Rokuharamitsu-ji Temple in Higashiyama — home to Kosho's famous Kuya Shonin statue — is approximately 30 minutes away by bus. The Kyoto National Museum, which occasionally exhibits Buddhist sculptural masterpieces, is also nearby.