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Chashitsu and Roji: The Universe of the Nijiriguchi and Japan's Three National Treasure Tea Rooms
Even the most powerful ruler bows to pass through the 66-centimetre nijiriguchi. The deepest philosophy in Japanese architectural history lives in the tea rooms designed by Sen no Rikyu. Covering the three National Treasure tea rooms (Taian, Joan, Mittan), roji garden paths, and visiting information for Myokian, Daitokuji, and Inuyama.
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Author
Hijiri
| Shrines & Temples
Contents
MOKUJI
一
From Shoin-zukuri to the Thatched Hut — The Birth of the Tea Room
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二
The Three National Treasure Tea Rooms — Taian, Joan, Mittan
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三
Roji and Tobi-ishi — The Spiritual Passage to the Tea Room
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四
Related Spots, Access Information, and Pilgrimage Guide
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五
Frequently Asked Questions
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Standing before a nijiriguchi (躙口, crawling entrance), everyone hesitates for a moment. It is just 66 centimetres high. Sword-wearing samurai, high-ranking court nobles — everyone must lower their hips and bow their head to pass through. When you understand what Sen no Rikyu embedded in this tiny opening, a space of just two and a half tatami mats reveals itself as the most philosophically profound architecture in Japanese history.
Interior of Taian (National Treasure), Myokian temple, Oyamazaki, Kyoto. The two-tatami-daime tea room attributed to Sen no Rikyu (1582). Rough earth walls, slanting kakekomi ceiling, and the tiny nijiriguchi entrance embody the wabi aesthetic. Photo: Iwai Taketoshi (from Nihon Kokenchiku Seika, 1919-1922)
Wikimedia Commons / Public Domain / photo by Iwai Taketoshi (1919-1922)
From Shoin-zukuri to the Thatched Hut — The Birth of the Tea Room
The tea ceremony culture took shape in the Muromachi period (14th–16th centuries). Early tea gatherings — called shoin-daisu-no-cha — took place in grand shoin (formal reception) rooms where aristocrats and warriors competed to display the finest Chinese karamono. Shoin-zukuri (書院造), with its tokonoma alcove, chigai-dana shelving, and tsuke-shoin desk, is the direct ancestor of the modern Japanese room.
From Juko to Rikyu — The Emergence of the Wabi Tea Room
The shift came in the late 15th century. Murata Juko introduced the concept of the thatched-hut gathering (so-an no cha) and the aesthetic of wabi. He settled on a four-and-a-half-mat room as the basic tea space. Sen no Rikyu (1522–1591) went further still — shrinking the space to two mats, two-daime, even one-daime. A daime (台目) is approximately three-quarters of a standard tatami, placed where the host performs the tea procedure. This compression produced the intimate distance at which host and guest share a single bowl — the condition Rikyu called ichiza konryu (一座建立, building one world together).
Shoin Tea Space
Wabi Tea Room
10–20+ mat formal hall
2–4.5 mat thatched hut
Grand display tokonoma with karamono
Earthen-plaster walls, rough-hewn wood
Entered through main gate
Entered by crouching through the nijiriguchi
The Three National Treasure Tea Rooms — Taian, Joan, Mittan
Of all surviving tea rooms, only three are designated National Treasures: Taian, Joan, and Mittan. Each embeds a distinct philosophy in its architecture.
Taian — The Only Surviving Tea Room Built by Rikyu’s Own Hands
Within the precinct of Myokian in Oyamazaki, Kyoto Prefecture, Taian is traditionally attributed to Sen no Rikyu, built in 1582 for Toyotomi Hideyoshi. At two-daime scale — an almost impossibly small space — it was where the man who unified Japan sought a moment of stillness.
Taian’s defining feature is its earthen plaster walls — rough clay mixed with straw and sand, not white lime. The small, irregularly placed windows admit light obliquely and softly. And then the nijiriguchi: the act of the most powerful man in Japan bowing to enter is the central design idea — the moment of enforced equality that Rikyu built into the architecture. Myokian is normally closed to visitors but opens for special viewing in spring and autumn. Five minutes on foot from JR Yamazaki Station.
Joan — Oda Uraku-sai’s Idiosyncratic Masterwork
Located within Yuraku-en garden in Inuyama, Aichi Prefecture, Joan was built in 1618 by Oda Nagamasu (known as Uraku-sai), younger brother of Oda Nobunaga. At three-daime scale it is slightly larger than Taian, but its design eccentricities are unmatched. Old calendar paper serves as backing material for small bamboo strips in the unique uraku window (有楽窓), producing a distinctive, softly diffused light. Joan is regularly open for visits (admission required). Approximately 15 minutes on foot from Meitetsu Inuyama Station.
Mittan — The Most Inaccessible Tea Room in Japan
Mittan is attached to the shoin of Ryukouin, a sub-temple of Daitokuji, and is attributed to Kobori Enshu in the early 17th century. Ryukouin maintains a strict non-public policy — Mittan is known as “the tea room in Japan that is almost impossible to see.” Simply visiting the Daitokuji precinct and sensing the presence of Ryukouin through its earthen wall is itself a meaningful encounter with this space.
Joan (National Treasure) exterior, Urakuen garden, Inuyama, Aichi. The three-tatami-daime tea room built by Oda Uraku-sai in 1618. Note the unconventional right-side nijiriguchi and the distinctive Uraku window. Photo: Lombroso (2005)
Wikimedia Commons / Public Domain / photo by Lombroso
Roji and Tobi-ishi — The Spiritual Passage to the Tea Room
The roji (露地, dewy path) spreading before the tea room is not merely a garden. It is the psychological passageway that moves the guest from the world of ordinary affairs into the world of tea.
The Two-Stage Roji Structure
The roji is typically divided into the outer roji (soto-roji) and inner roji (uchi-roji). In the outer roji, guests wait at the koshikake-machiai (bench shelter) until summoned by the host — this waiting is itself the beginning of the transition. The inner roji contains the tsukubai (蹲踞), a low-set water basin for rinsing hands. Crouching to wash one’s hands symbolises the ritual purification required before entering the sacred space of the tea room.
The Zen Function of the Stepping Stones
The tobi-ishi (飛石, stepping stones) are the path across the roji, but Rikyu’s selection and placement of stones elevates them to an art form. By combining larger and smaller stones with slightly irregular spacing, a walking guest is naturally drawn to look at the ground and slow their pace. A path impossible to rush across — this is the design mechanism that promotes what Zen calls the awareness of each step.
Related Spots, Access Information, and Pilgrimage Guide
Spot
Main Feature
Access
Myokian (Taian)
National Treasure 2-daime tea room by Rikyu
Special opening spring/autumn; advance application by return postcard
Yuraku-en (Joan)
National Treasure 3-daime; Uraku window
Regular opening (admission fee); 15 min from Meitetsu Inuyama Station
Daitokuji
Mittan (Ryukouin); multiple sub-temple tea rooms
Precinct free; sub-temples individual fee
Kotoin (Daitokuji)
Bamboo grove and moss roji; Shokouan tea room
Special opening spring/autumn
Shinjuan (Daitokuji)
Ikkyu Sojun connection; shoin and garden
Special opening only
Pilgrimage Points to Remember
•
Stand before the nijiriguchi and imagine the act of bowing to enter — the entrance that dissolves rank
•
The tokonoma scroll and flower vase were chosen by the host specifically for this day; slow down and engage with them
•
Focus on the rhythm of walking across the tobi-ishi, not on photographing them
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Many tea rooms cannot be entered — the exterior and roji alone convey the designer’s thought
Suggested Pilgrimage Circuit: National Treasure Tea Room Journey
Myokian (Taian) (Oyamazaki, 5 min from JR Yamazaki) → Daitokuji (Mittan, Kotoin, Shinjuan, Kyoto) → Yuraku-en (Joan) (Inuyama, Aichi) — connecting these three sites forms the ultimate chado architectural pilgrimage, recorded step by step in Toku.
The roji (tea garden path) of Koto-in, a subtemple of Daitokuji, Kyoto. Moss and tobi-ishi stepping stones lead through bamboo grove — described as the finest beauty within Daitokuji. This path leads toward the chashitsu Shokoken. Photo: Frank (2006)
Wikimedia Commons / CC BY 2.0 / photo by Frank (One man's perspective)
Frequently Asked Questions
How can I visit Taian at Myokian?
Taian is normally closed and open only during two special viewing periods per year (spring and autumn). Advance application by return postcard (往復ハガキ) is required; places are very limited. Check the Oyamazaki Town History Museum website or contact Myokian directly for the current schedule.
Is Joan (Yuraku-en) easier to visit than Taian or Mittan?
Yes, significantly. Yuraku-en in Inuyama City, Aichi Prefecture, offers regular admission and is the most accessible of the three National Treasure tea rooms. Admission fee applies; check the current hours on the Yuraku-en official website.
Why is moss so important in a roji garden?
Moss is managed according to a paradoxical principle: “clean by sweeping, but preserve the moss itself.” The texture of moss — accumulated time made visible — is considered essential for creating the sense of separation from the everyday world that the roji is meant to produce.
What is a “daime” tatami?
A daime (台目) is approximately three-quarters of a standard tatami mat, placed where the host performs the tea procedure. A two-daime tea room uses two standard mats plus one daime, creating a very compact space in which the host’s and guest’s positions are clearly defined within a shared world.
How many sub-temples at Daitokuji are open to visitors?
Of Daitokuji’s 20+ sub-temples, Ryogenin, Daisen-in, Kotoin, and Zuihoin are among those regularly open. During spring and autumn special openings, additional sub-temples — normally closed — may be accessible. Each sub-temple publishes its own visiting information.
最終更新: 2026年4月25日
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Author
Hijiri（ひじり）
Shrines & Temples
Toku editorial team — shrines and temples. Former designer who reads temple architecture and gardens through an aesthetic lens, quietly tracing the lineages of sects and doctrines.
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