Complete Guide to Izanji Temple (Chiba Prefecture): History, Access, and Highlights
Chiba Prefecture is home to numerous historical temples, but among them, the temple named “Izanji” has long been revered for its blessings related to medicine and health. This article comprehensively explains everything you need to know before visiting Izanji Temple, including detailed information, historical background, highlights for worshippers, and access methods.
What is Izanji Temple?: The History of Medical Faith in Chiba Prefecture
As its name suggests, Izanji Temple is known as a temple related to “medicine.” Several temples in Chiba Prefecture share the mountain name “Iōzan,” and each has served as a center for prayers for medicine and health, with Yakushi Nyorai (the Medicine Buddha) as its principal deity.
Origin of the Name “Izan”
The name “Izan” originates from the worship of Yakushi Nyorai, the Buddhist deity of medicine. The Yakushi Nyorai (Medicine Buddha) is formally known as “Yakushi Rurikō Nyorai” and is revered as the principal deity of the Eastern Pure Land of Lapis Lazuli, granting blessings for healing illnesses and promoting longevity.
From the medieval to the early modern period, in an era when medical care was not fully developed, people prayed to Buddha for healing from illness and injury. Temples dedicated to Yakushi Nyorai often use the mountain name “Iōzan,” which has led to the common name “Izan-ji” (Medical Mountain Temple).
Major Iōzan-affiliated Temples in Chiba Prefecture
Several temples in Chiba Prefecture share the mountain name “Iōzan.” Here, we introduce some representative temples.
Iōzan Hōzōin (Hanamigawa Ward, Chiba City)
Hōzōin, located in Kemigawa-cho, Hanamigawa Ward, Chiba City, is a temple belonging to the Buzan branch of the Shingon sect. Its mountain name is “Iōzan,” and it has long been a center of local faith.
Basic Information:
- Location: 1-5 Kemigawa-cho, Hanamigawa-ku, Chiba City
- Sect: Shingon-shu Buzan-ha
- Principal Image: Yakushi Nyorai (Medicine Buddha)
- Founding: While details are unknown, it is estimated to date back to the medieval period.
The Kemigawa area has long flourished as a transportation hub, and Hozoin Temple has functioned as a spiritual center for the local residents. The Shingon-shu Buzan-ha is a branch of Shingon Buddhism, founded by Kobo Daishi Kukai, and transmits the teachings of Esoteric Buddhism.
Other Iozan-kei Temples
Within Chiba Prefecture, temples bearing the mountain name Iozan are scattered throughout various locations, including Ichikawa City, Funabashi City, Matsudo City, Kashiwa City, Narita City, Sakura City, Ichihara City, Kisarazu City, and Tateyama City. All of these temples enshrine Yakushi Nyorai as their principal image and have played an important role as centers for local medical and health prayers.
The Temple Culture of Chiba Prefecture and the Position of Izanji Temple
Chiba Prefecture is known for having a particularly large number of temples within the Kanto region. This is deeply rooted in its historical context from ancient to medieval times.
Characteristics of Temple Distribution in Chiba Prefecture
Chiba Prefecture is said to have over 3,000 temples, particularly concentrated in the following areas:
- Chiba City: Numerous temples are distributed in each of the following wards: Chuo Ward, Hanamigawa Ward, Inage Ward, Wakaba Ward, Midori Ward, and Mihama Ward.
- Higashi-Katsushika Region: Densely populated areas such as Ichikawa City, Funabashi City, Matsudo City, Kashiwa City, and Abiko City.
- Hokusō Region: Areas with many historical temples such as Narita City, Sakura City, and Katori City.
- Minami-Bōsō Region: Coastal religious centers such as Tateyama City and Kamogawa City.
Distribution of Major Buddhist Sects
The following sects are predominant in Chiba Prefecture:
- Nichiren Sect: Chiba Prefecture is close to the birthplace of the Nichiren sect, and there are head temples such as Nakayama Hokkeji Temple (Ichikawa City).
- Shingon Sect: Esoteric Buddhist temples that carry on the teachings of Kobo Daishi Kukai are scattered throughout the region.
- Tendai Buddhism: Numerous Tendai Buddhist temples with Enryaku-ji Temple on Mount Hiei as their head temple.
- Jodo Buddhism/Jodo Shinshu Buddhism: A group of temples based on the Nembutsu faith.
- Soto Zen/Rinzai Zen: Zen Buddhist temples.
Many Izanji temples (Iozan-kei temples) belong to the Shingon sect, and prayers for healing illnesses have been performed using esoteric Buddhist rituals.
Historical Background of Izanji Temples
Medicine and Buddhism from Ancient to Medieval Times
In ancient Japan, medicine and Buddhism were closely intertwined. Buddhism, which was introduced during the Nara period, was accepted not merely as a religion, but as a comprehensive culture accompanied by medical knowledge and herbal medicine.
In particular, the worship of Yakushi Nyorai (Medicine Buddha) was emphasized when Emperor Shomu established the Kokubunji system, and Yakushi Nyorai was enshrined in Kokubunji temples throughout the region. Kokubunji temples were also built in the Chiba Prefecture area (then Kazusa, Shimosa, and Awa provinces), and the worship of Yakushi Nyorai (Medicine Buddha) spread.
Development of Iōzan-kei Temples in the Medieval Period
From the Kamakura period to the Muromachi period, with the rise of the samurai class, temples supporting their faith were built in various places. Local samurai groups, including the Chiba clan, built family temples and prayer temples in their territories, and many of them enshrined Yakushi Nyorai.
In times of war, samurai prayed for healing from battle wounds and maintaining good health, and Iōzan-kei temples became important centers of faith. Furthermore, for ordinary people, faith in Yakushi Nyorai provided spiritual support during times of plague and famine.
Temple System and Iōzan-ji Temples in the Edo Period
In the Edo period, the terauke system (parishioner system) was established, and all people were obligated to belong to one temple. This system allowed temples to function as a foundation for the local community, and Iōzan-kei temples played an important role in providing prayers for the health of their parishioners and performing funeral rites.
In particular, Shingon Buddhist temples actively performed rituals for healing illnesses through incantations and prayers, attracting the faith of the people.
Changes in the Modern Era
Many temples faced difficult times due to the separation of Shinto and Buddhism after the Meiji Restoration and the anti-Buddhist movement, but many Iōzan-kei temples survived, supported by the strong faith of local residents.
Even today, with the advanced state of medical technology, there is a constant stream of worshippers praying for health, longevity, and healing from illness.
Highlights and Points to Note When Visiting Iōzan-ji Temple
About the Principal Image: Yakushi Nyorai
The principal image of Iōzan-ji Temple (Iōzan-kei temples), Yakushi Nyorai, is generally depicted holding a medicine jar in its left hand and forming the Abhaya Mudra (gesture of fearlessness) with its right hand. The medicine jar is believed to contain a miraculous elixir that cures all diseases, making it a symbol of healing.
Yakushi Nyorai (Medicine Buddha) has “Twelve Great Vows,” vowing to relieve the suffering of all sentient beings and grant them peace and comfort. Based on these vows, many people visit to pray for good health.
Nikko and Gekko Bodhisattvas and the Twelve Divine Generals
Yakushi Nyorai is usually flanked by Nikko Bodhisattva and Gekko Bodhisattva. Furthermore, the Twelve Divine Generals (Twelve Yaksha Generals) are often positioned to protect Yakushi Nyorai. These generals correspond to the twelve signs of the Chinese zodiac and are believed to protect worshippers from all directions.
Highlights of the Temple Grounds
The grounds of temples in the Iōzan school often feature the following elements:
- Main Hall: The central building housing the Yakushi Nyorai (Medicine Buddha)
- Yakushi Hall: In cases where the worship of Yakushi is particularly emphasized, a separate Yakushi Hall may be established.
- Bell Tower: A building where the temple bell is hung, serving to announce the time.
- Priest’s Quarters: The living quarters of the head priest and the temple office.
- Cemetery: The burial ground for parishioners.
- Stone Buddha Group: Stone Buddha statues such as Jizo Bodhisattva and Kannon Bodhisattva may be placed there.
Annual Events
The following annual events are held at temples in the Iōzan school:
- Yakushi Nyorai Festival: The 8th or 12th of each month is considered the festival day for Yakushi Nyorai.
- First Yakushi Festival: The first Yakushi Festival of the new year, held on January 8th or 12th.
- Shōshō-e (New Year’s Ceremony): Memorial services held during the New Year
- Spring and Autumn Equinox Services: Memorial services for ancestors
- Obon Festival: Memorial services for the Obon festival
- New Year’s Eve Bell Ringing: Ringing of the temple bell on New Year’s Eve
Participating in these events allows you to forge a deeper connection with the temple.
Access and Visiting Information for Iozanji Temple
Access to Iozan Hozoin Temple (Hanamigawa Ward, Chiba City)
Access by Train:
- Approximately 10 minutes on foot from JR Sobu Line “Shin-Kemigawa Station”
- Approximately 8 minutes on foot from Keisei Electric Railway “Kemigawa Station”
Access by Bus:
- Approximately 3 minutes on foot from Chiba Kaihin Kotsu Bus “Kemigawa” bus stop
Access by Car:
- Approximately 10 minutes from Keiyo Expressway “Makuhari IC”
- It is recommended to check with the temple in advance regarding parking availability.
Notes for Visitors
- Visiting Hours: Generally, visits are possible from sunrise to sunset, but viewing inside the main hall may be limited.
- Dress Code: There are no particularly strict regulations, but it is polite to avoid revealing clothing.
- Photography: Photography is generally permitted within the temple grounds, but photography inside the main hall or of Buddha statues may be prohibited.
- Donations: When receiving prayers or a Goshuin (temple stamp), please offer an appropriate donation.
- Quietness: Please pray quietly on the temple grounds and be considerate of other visitors.
About Goshuin
Many temples offer Goshuin. Goshuin are popular as proof of worship and as a record of one’s connection with the temple. When receiving a Goshuin:
- Bring a Goshuincho (stamp book) with you (they may also be available for purchase at the temple).
- Receive it after your visit (avoid getting only the Goshuin before your visit).
- Offer a donation of approximately 300-500 yen.
- Politely request a Goshuin.
Connections to Other Famous Temples in Chiba Prefecture
When visiting Izanji Temple (a temple of the Iōzan lineage), visiting other famous temples in Chiba Prefecture as well will provide a deeper understanding of Buddhist culture.
Naritasan Shinshoji Temple (Narita City)
The head temple of the Shingon Chizan sect and a center of Fudo Myoo worship. It is one of the most famous temples in the Kanto region, attracting over 10 million visitors annually. As part of the Shingon sect, like the Iozan-kei temples, it offers an experience of esoteric Buddhist culture.
Nakayama Hokkeji Temple (Ichikawa City)
One of the head temples of the Nichiren sect, and a temple associated with Nichiren Shonin. It houses numerous nationally designated important cultural properties and is a representative temple of Chiba Prefecture.
Kasamori Kannon (Chonan Town)
The 31st temple of the Bando Thirty-Three Kannon Pilgrimage. The Kannon Hall, built on a cliff, is a nationally designated important cultural property, making it an architecturally valuable temple.
Chiba-dera Temple (Chuo Ward, Chiba City)
The 29th temple of the Bando Thirty-Three Kannon Pilgrimage. An ancient temple that gave its name to Chiba City, it enshrines an eleven-faced Kannon as its principal image. ### Tozenji Temple (Matsudo City)
A renowned Jodo sect temple, known for its beautiful weeping cherry trees. It is one of Matsudo City’s representative temples.
Medicine and Buddhism: Significance in Modern Times
Buddhism as Mental Healthcare
While modern medicine has made significant progress in treating physical illnesses, the importance of caring for mental illness and emotional distress is increasingly recognized. Temples dedicated to the worship of Yakushi Nyorai (Medicine Buddha), including Izanji Temple, continue to function as places of “mental healthcare” in modern times.
Gaining peace of mind through worship and prayer, and finding guidance for life by engaging with Buddhist teachings—these hold great significance for modern people.
Mindfulness and Buddhist Meditation
In recent years, the effectiveness of mindfulness and meditation in improving mental and physical health is being scientifically proven. Many of these practices originate from Buddhist meditation techniques, and participating in Zen meditation sessions and meditation groups at temples allows for the experience of authentic practice.
End-of-Life Care and Spiritual Care
In Japan, an aging society, the importance of spiritual care in end-of-life care is being recognized. Temples have long been places for confronting life and death, and the attentive listening and sermons of monks provide emotional support to patients and their families.
Recommended Temple Pilgrimages in Chiba Prefecture
Model Temple Pilgrimage Courses by District
Chiba City Course:
- Chiba-dera Temple (Chuo Ward) – One of the Thirty-Three Kannon Pilgrimage Sites of Bando
- Io-zan Hozo-in Temple (Hanamigawa Ward) – Yakushi Nyorai (Medicine Buddha) Faith
- Temples around Inage Asama Shrine (Inage Ward)
Higashi-Katsushika Region Course:
- Nakayama Hokkeji Temple (Ichikawa City) – Head Temple of the Nichiren Sect
- Tozenji Temple (Matsudo City) – Famous Cherry Blossom Spot
- Group of Temples in Kashiwa City
Hokusō Region Course:
- Naritasan Shinshōji Temple (Narita City) – One of the Most Famous Temples in the Kanto Region
- Historical Temples in Sakura City
- Temples around Katori Shrine (Katori City)
Minami-Bōsō Course:
- Kasamori Kannon Temple (Chōnan Town) – 1. The Thirty-Three Kannon Pilgrimage Sites of Bandō
- Temples in Tateyama City
- Temples in Kamogawa City
How to Enjoy Collecting Goshuin Stamps
Collecting Goshuin stamps while visiting temples in Chiba Prefecture is a wonderful way to experience Buddhist culture. In particular, pilgrimages such as the Thirty-Three Kannon Pilgrimage Sites of Bandō and the Thirty-Six Fudo Pilgrimage Sites of Kanto allow you to systematically visit temples.
The Charms of the Temple in Each Season
- Spring: Cherry blossoms and wisteria flowers adorn the temple grounds, and the Flower Festival (Buddha’s Birthday) is held.
- Summer: Enjoy the coolness of the lush green grounds and participate in the Obon Festival.
- Autumn: The autumn leaves are beautiful, and it is the season for the Autumn Equinox Festival and Shichi-Go-San (children’s festival).
- Winter: Experience the tranquil atmosphere of the New Year’s visit and the ringing of the temple bell on New Year’s Eve.
Guidelines for Visiting Izanji Temple
Basic Etiquette for Visiting the Temple
- Bow at the Temple Gate: Bow before entering the temple grounds.
- Purification at the Water Basin: Purify your left hand, then your right hand, then your mouth.
- Worship at the Main Hall: Join your hands in prayer and pray with all your heart.
- Offering a Coin: Offer your coin with gratitude.
- Bow Upon Exit: Bow again when leaving the temple grounds.
How to Pray
Prayers to Yakushi Nyorai (Medicine Buddha) can be made not only for the healing of specific illnesses, but also for maintaining good health and the well-being of family members. When praying:
- State your name and address silently in your heart.
- Clearly state your specific wish.
- Remember to be grateful.
- Vow to repay the kindness when your wish is granted.
Continuous Connection with the Temple
Your connection with the temple deepens not just with a single visit, but with regular visits:
- Participate in monthly temple festivals.
- Attend annual events.
- Support the temple as a parishioner.
- Participate in sutra copying sessions and Dharma talks.
- Cooperate with volunteer activities.
Summary: The Value of Buddhist Culture Conveyed by Izanji Temple
Izanji Temple (Iozan-kei temples) is a group of temples representing the Buddhist culture of Chiba Prefecture, and has long supported people’s health and peace of mind. These temples, centered on the worship of Yakushi Nyorai, have played an important role across generations, literally serving as a “center of medical care” in times when medical treatment was inadequate, and as a place for “spiritual medicine” in modern times. Throughout Chiba Prefecture, numerous temples of the Iōzan sect are scattered across cities such as Ichikawa, Funabashi, Matsudo, Kashiwa, Narita, Sakura, Ichihara, Kisarazu, and Tateyama, each embodying the history and culture of its region. In particular, Iōzan Hōzōin in Hanamigawa Ward, Chiba City, as a Shingon-shu Buzan-ha temple, continues the tradition of esoteric Buddhism.
In today’s society, where stress and anxiety are increasing, temples offer a precious space for finding peace of mind. Through a visit to Iōzanji temples, you can connect with Buddhist wisdom, pray for physical and mental well-being, and experience traditional Japanese culture.
When visiting Chiba Prefecture, be sure to visit Iōzanji and other historical temples to experience their tranquil atmosphere and profound spirituality. It will be a memorable experience, far beyond mere sightseeing.
Passing on Chiba Prefecture’s Temple Culture to Future Generations
The temples of Chiba Prefecture, including Izanji Temple, are not merely historical buildings, but living places of faith and centers of local communities. It is our responsibility as modern people to pass on this temple culture to future generations.
Let’s connect Chiba Prefecture’s rich Buddhist culture to the future by visiting temples, learning their history, and, if possible, supporting their activities. Izanji Temple will warmly welcome you as a starting point for this endeavor.
