Nyoirin-ji Temple

Overview

Nyoirin-ji (如意輪寺) is a Buddhist temple in the city of Mobara, in Chiba Prefecture, on the Bōsō Peninsula east of Tokyo Bay. It belongs to the Nichiren sect, the tradition founded in the thirteenth century by the monk Nichiren and named after him. The temple is known above all for an ancient ginkgo tree on its grounds, and it stands close to the remains of Tonoyatsu Castle, a site associated with the medieval warfare of the peninsula.

Its traditional founding date places it in the Heian period (794 – 1185), the long era when Buddhism spread from the imperial court and the great monasteries of the capital into the provinces. The temple's own foundation is dated to the second year of the Chōhō era, which corresponds to the year 1000.

History

The temple's foundation is dated to the second year of Chōhō (長保), a Japanese era name, in the year 1000. That places the founding in the middle of the Heian period, roughly two and a half centuries before the Kamakura shogunate and the rise of the warrior government, and more than two centuries before Nichiren himself was born. A temple founded in 1000 and later counted among the Nichiren sect therefore represents a site whose affiliation changed over time, as the new movement spread across Japan in the medieval centuries and older provincial temples were reorganised under it.

Mobara sits in the fertile Kujūkuri plain of central Chiba, a region that in the Heian period was frontier country from the standpoint of the capital at Kyoto. Buddhist institutions took root there through the efforts of provincial governors, local landholding families, and travelling monks, and a foundation date at the turn of the eleventh century fits that pattern of gradual provincial expansion.

The temple's later history is bound up with its neighbour, Tonoyatsu Castle. The remains of that castle lie near the temple, and the pairing of a temple and a nearby castle ruin is a familiar arrangement in the Kantō region, where religious sites often stood close to the fortified residences of local warrior houses. The ginkgo tree for which Nyoirin-ji is noted is itself a living link to that long occupation of the site.

What Stands There Today

The temple is a Nichiren-sect establishment in Mobara, and its most celebrated feature is an ancient ginkgo tree. Ginkgo trees are common at Japanese temples and shrines, valued for their great size, their golden autumn foliage, and their resistance to fire and disease; individual specimens are frequently designated natural monuments and treated as sacred or commemorative trees. The ginkgo at Nyoirin-ji is the feature by which the temple is best known.

The site also lies near the remains of Tonoyatsu Castle. Such remains in Chiba typically survive as earthworks — embankments, ditches, and level enclosures — rather than standing buildings, since castles of the medieval period were built of earth and timber. Visitors to the temple are therefore within walking distance of both an active Nichiren temple and a medieval fortification site, a combination that makes the location useful for understanding how religious and military life were interwoven in the region.

The Name in Japanese

The temple's name is written 如意輪寺. It is read in kana as にょいりんじ, and in romanised form as Nyoirin-ji.

Broken down character by character:

• 如 — read nyo in this name. It means "thus", "as", or "in accordance with". It is the first element of a set phrase used constantly in Buddhist texts to mean "thus it is" or "like this".
• 意 — read i in this name. It means "mind", "intention", "thought", or "meaning". Together with the preceding character it forms 如意 (nyoi), literally "as one wishes" or "according to one's mind" — that is, "wish-fulfilling".
• 輪 — read rin in this name. It means "wheel", "ring", or "circle". Wheels are a central image in Buddhism, standing for the turning of the teaching and for the round of existence.
• 寺 — read ji in this name. It means "temple" and is the standard suffix for a Buddhist temple's name in Japanese.

The first three characters together, 如意輪 (nyoirin), are the Japanese name of a bodhisattva: Nyoirin Kannon, the wish-fulfilling Kannon, usually depicted with six arms and holding a wheel, the 輪, among other implements. Kannon is the bodhisattva of compassion, and Nyoirin Kannon is one of the many forms in which Kannon is worshipped in Japan. A temple named 如意輪寺 is thus dedicated to, or named after, this form of Kannon.

The final character, 寺, is the everyday Japanese word for a Buddhist temple, and it appears at the end of temple names across the country. Note that 寺 has more than one reading depending on the name: it is ji in Nyoirin-ji, and it is also commonly read dera, as in a name like Asakusa-dera. The reading must be learned with each individual temple.

Visiting and Context

Nyoirin-ji is located in Mobara, Chiba Prefecture, at coordinates roughly 35.44 degrees north and 140.25 degrees east. Mobara is served by rail from Tokyo and is reached via the Sotobō Line along the eastern side of the Bōsō Peninsula. The temple's position in the city places it within reach of the surrounding Kujūkuri plain, the coastal strip famous for its long sandy beach, and the broader network of Nichiren-sect sites that cluster in Chiba, the region where Nichiren's movement took hold early.

For students of Japanese, the temple's name is a compact lesson in how Buddhist vocabulary entered the language. The word 如意 (nyoi) survives in ordinary modern Japanese in the phrase 如意棒 (nyoibō), the "wish-fulfilling staff" of folk tales, and in the set expression 思いのまま (omoi no mama), "as one pleases", which echoes the same idea of things going according to one's mind. The character 寺, meanwhile, is one of the first kanji a learner meets, and temple names are among the most reliable places to see it in the wild.