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|Historical Period=Pre Edo Period
|Historical Period=Pre Edo Period
|Features=trenches
|Features=trenches
|Access=Kintetsu Nara
|Access=Kintetsu Nara Station; 25 min walk or 15 min bus and 10 min walk
|Visitor Information=mostly closed to the public
|Time Required=30 mins
|Time Required=30 mins
|Website=https://www.pref.nara.jp/miryoku/ikasu-nara/naranoshiro/tamonjo/
|City=Nara
|City=Nara
|Prefecture=Nara Prefecture
|Prefecture=Nara Prefecture
Line 18: Line 20:


The photos included here also show views from the western hilltop.
The photos included here also show views from the western hilltop.
|History=In 1559, Matsunaga Hisahide, trusted advisor and lieutenant of Miyoshi Nagayoshi, became daimyo of Yamato Province. His first base was the mountaintop fortress of [[Shigisan Castle]], but in 1562 he completed his masterpiece: Tamon Castle.
|History=In 1559, Matsunaga Hisahide, trusted advisor and lieutenant of Miyoshi Nagayoshi, became the daimyo of Yamato Province. His first base was the renovated mountaintop fortress of [[Shigisan Castle]], but he soon began constructing of Tamon Castle too.  


Yamato had long lacked a strong, centralized ruler. Powerful temples dominated the plains, while smaller lords controlled the surrounding mountains and valleys. Hisahide, who had extensive dealings with Nara’s temples during his service under the Miyoshi, chose to confront this balance directly. He located his new seat above the ancient capital of Nara, overlooking Tōdaiji and Kōfukuji. Temple lands, including Myōken-ji and Saionji, were removed to make way for the castle, and the mountain was renamed Tamonyama after the Buddhist deity Tamonten (Bishamonten). This sent a clear message that warrior authority now stood above religious power. From Tamon Castle, Hisahide could survey much of the Yamato Basin and control the Kyō-kaidō, the vital route linking Kyoto and Nara.
Yamato had long lacked a strong, centralized ruler. Powerful temples dominated the plains, while smaller lords held the surrounding mountains and valleys. Hisahide, who had extensive dealings with Nara’s religious institutions during his service under the Miyoshi, directly confronted the religious powers.


Tamon Castle functioned as the hub of Hisahide’s castle network. It served as a diplomatic and cultural stage, while [[Shigisan Castle]] acted as the military stronghold. Other castles, including [[Kaseyama Castle]] and Sawa Castle, secured the frontiers. Hisahide was a noted tea practitioner and collector of tea utensils, and gatherings at Tamon included monks, nobles, and foreign visitors. These activities drew on cultural and political skills he had cultivated since his earlier years at [[Takiyama Castle (Settsu)|Takiyama Castle]].
He located his new seat just north of Nara, overlooking Tōdaiji and Kōfukuji. Temple lands, including Myōken-ji and Saion-ji, were removed to make way for the castle, and the mountain itself was renamed Tamonyama, after Tamonten (Bishamonten), the Buddhist guardian of the north and a deity of military authority favored by the samurai. The location and Bishamonten associated provided a clear message.  


Between 1565 and 1568, Tamon also served as a military base during conflicts with the Miyoshi Triumvirate and Tsutsui Junkei. Following victory at the Battle of Tōdaiji Daibutsuden in 1567, in which the Great Buddha Hall was accidentally destroyed by fire, Hisahide secured recognition from Oda Nobunaga as daimyo of Yamato Province.
From Tamon Castle, Hisahide could survey much of the Yamato Basin and control the Kyō-kaidō, the vital route linking Kyoto and Nara. Tamon Castle served as the hub of Hisahide’s castle network. It functioned as a diplomatic and cultural stage, while [[Shigisan Castle]] served as the military stronghold. Other castles, including [[Kaseyama Castle]] in the north and Sawa Castle in the south, secured the frontiers. A noted tea practitioner, Hisahide hosted monks, nobles, and foreign visitors at Tamon drawing, on cultural and political skills he had cultivated since his early years at Takiyama Castle. In 1565, the Portuguese Jesuit Luís de Almeida visited and wrote back to Europe in astonishment, praising the castle’s gleaming white walls and tiled roofs as “not to be found in all of Christendom.


In 1573, as penance for siding with Nobunaga’s opponents, Tamon Castle was surrendered to Oda control, with Akechi Mitsuhide installed as overseer. Shibata Katsuie and Hosokawa Fujitaka also served as temporary castellans. Nobunaga himself visited in 1574, during which he famously cut the sacred incense log Ranjatai, brought from Tōdaiji and displayed at Tamon Castle.
In 1573, after siding against Oda Nobunaga, Tamon Castle was surrendered. Akechi Mitsuhide, Shibata Katsuie and Hosokawa Fujitaka each served briefly as castellans. Nobunaga visited in 1574 to cut the sacred Ranjatai incense log, which had been brought from Tōdaiji. Many scholars believe Nobunaga drew inspiration from Tamon Castle: the artisans responsible for roof tiles, painted interiors, and metal fittings were requisitioned for work on Azuchi itself. His chronicler recorded the visit in the Shinchō Kōki:


Soon after, Nobunaga ordered Tamon Castle dismantled. Its most famous structure, a four-story yagura, was transferred to Azuchi Castle. Palatial halls were relocated to the Nijō Gosho in Kyoto, while stone and building materials were reused by Tsutsui Junkei at [[Tsutsui Castle]]. Tamon Castle was absorbed into the emerging Oda framework, and no rival was permitted to stand alongside Azuchi Castle, completed two years later. Many scholars believe Nobunaga drew inspiration from Tamon Castle, while artisans responsible for roof tiles, painted interiors, and metal fittings were requisitioned to work on Azuchi itself.
''There are no words for it—its magnificence was beyond the reach of language and even sight.''
(言語に絶え、目も及ばぬ程の結構なり)


'Castle Innovations'
Despite this admiration (because of it?) Nobunaga ordered the castle dismantled in 1576. He allowed no rival to his own masterpiece, [[Azuchi Castle]]. The four-story yagura was transferred to Azuchi Castle, its palatial halls moved to the Nijō Palace, and its stone was reused by Tsutsui Junkei, but its influence on castle evolution was undeniable.


The defining feature of Tamon Castle was its four-story yagura, often referred to as a ''takayagura'' (tall turret). Scholars widely regard this structure as a forerunner of the later castle keep (''tenshu''). Some speculate that a similar ''takayagura'' may have also existed at [[Shigisan Castle]].
''Tamon Castle and the Transition to Early Modern Castle Design''


Tamon Castle is also widely regarded as the first Japanese castle to make systematic use of tiled roofs. Drawing on Nara’s long tradition of temple construction, Hisahide employed local craftsmen to produce tiles specifically for the castle. Excavated examples differ clearly from contemporary temple tiles, indicating intentional adaptation rather than simple reuse of the temple tile design. Letters written by Hisahide while he was in Kyoto show a particular interest in the progress of these tiles during construction. Thick white plaster (''shikkui'') walls further enhanced the castle’s resistance to fire and weather.
Tamon Castle represented a major leap in castle architecture. Muromachi-period castles tended toward military fortification and relatively impermanent construction. Tamon may be considered the first true early modern castle (近世城郭).


One of Tamon Castle’s most enduring legacies was the development of long, row house-like turrets built atop ramparts. This design became so closely associated with the site that it came to be known as the Tamon-yagura, a form that later became standard in Edo Period Japanese castle architecture. In this sense, the castle’s name outlived the castle itself.
* The '''First Tenshu''': A four-story ''takayagura'' (high turret) that served as the architectural ancestor to the iconic castle keeps that followed.
* The '''Tamon-yagura''': Long, defensive row-houses built directly atop stone ramparts. This style was so revolutionary that the term "Tamon-yagura" outlived the castle itself and became a standard of later castle architecture.
* '''Gleaming White Plaster''': Thick earthen walls finished with shikkui (plaster) provided both a stunning visual aesthetic, vital fireproofing against incendiary arrows and longevity from weathering.
* '''Purpose-Built Roof Tiles''': Unprecedented for castles of the period. Drawing on Nara’s long tradition of temple construction, Hisahide employed local craftsmen to produce tiles specifically for Tamon Castle. Excavated examples differ from contemporary temple tiles, showing deliberate adaptation rather than simple reuse. Hisahide’s correspondence from Kyoto indicates close attention to tile production during construction.
* '''Extensive stone walls''', stone foundations for building pillars, and stone-lined drainage channels, reinforced the castle’s intent as a durable, long-term seat of power.
* '''Lavish palatial halls''' that established Tamon as more than a military fortification and enabled its role as a center of political and cultural authority.


Stone foundations for building pillars and stone-lined waterways employed advanced construction techniques, reinforcing the impression that Tamon Castle was intended as a durable, permanent seat of power rather than a temporary stronghold.


In 1565, the Portuguese Jesuit Luís de Almeida visited Tamon and wrote back to Europe in astonishment. He praised the castle’s gleaming white walls and tiled roofs as something “not to be found in all of Christendom.” His letters emphasize that Tamon felt less like a fortress and more like a new kind of urban space. Contemporary records describe lavish residential halls, sliding doors adorned with gold leaf paintings, gardens, and at least two tea pavilions.
These architectural elements existed individually in earlier castles, palaces and temples, but Tamon Castle was the first to bring them together deliberately within a single, coherent castle design, thereby influencing the form and purpose of castles that followed.
|Year Visited=2025
|Year Visited=2025
|AddedJcastle=2026
|AddedJcastle=2026
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|GPSLocation=34.69437, 135.83143
|GPSLocation=34.69437, 135.83143
|Contributor=Eric
|Contributor=Eric
|FriendsLinks={{FriendsLinks
|FriendWebsiteName=Jokaku Horoki
|FriendWebsiteURL=https://www.hb.pei.jp/shiro/yamato/tamonyama-jyo/
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|FriendWebsiteName=Kojodan
|FriendWebsiteURL=https://kojodan.jp/castle/206/
}}{{FriendsLinks
|FriendWebsiteName=Shiro Meguri Fan
|FriendWebsiteURL=https://www.shirofan.com/shiro/kinki/tamonyama/tamonyama.html
}}{{FriendsLinks
|FriendWebsiteName=Shirobito
|FriendWebsiteURL=https://shirobito.jp/castle/2113
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Latest revision as of 22:09, 9 January 2026

Unfortunately, there is very little to see on the castle site itself today beyond an information sign and a large horikiri cutting across the ridge. Most of Tamon Castle lies beneath Nara Wakakusa Junior High School and the imperial tumuli of Empress Ninshō and Emperor Shōmu. That said, the area be

Tamonjo12.jpg

History

In 1559, Matsunaga Hisahide, trusted advisor and lieutenant of Miyoshi Nagayoshi, became the daimyo of Yamato Province. His first base was the renovated mountaintop fortress of Shigisan Castle, but he soon began constructing of Tamon Castle too.

Yamato had long lacked a strong, centralized ruler. Powerful temples dominated the plains, while smaller lords held the surrounding mountains and valleys. Hisahide, who had extensive dealings with Nara’s religious institutions during his service under the Miyoshi, directly confronted the religious powers.

He located his new seat just north of Nara, overlooking Tōdaiji and Kōfukuji. Temple lands, including Myōken-ji and Saion-ji, were removed to make way for the castle, and the mountain itself was renamed Tamonyama, after Tamonten (Bishamonten), the Buddhist guardian of the north and a deity of military authority favored by the samurai. The location and Bishamonten associated provided a clear message.

From Tamon Castle, Hisahide could survey much of the Yamato Basin and control the Kyō-kaidō, the vital route linking Kyoto and Nara. Tamon Castle served as the hub of Hisahide’s castle network. It functioned as a diplomatic and cultural stage, while Shigisan Castle served as the military stronghold. Other castles, including Kaseyama Castle in the north and Sawa Castle in the south, secured the frontiers. A noted tea practitioner, Hisahide hosted monks, nobles, and foreign visitors at Tamon drawing, on cultural and political skills he had cultivated since his early years at Takiyama Castle. In 1565, the Portuguese Jesuit Luís de Almeida visited and wrote back to Europe in astonishment, praising the castle’s gleaming white walls and tiled roofs as “not to be found in all of Christendom.”

In 1573, after siding against Oda Nobunaga, Tamon Castle was surrendered. Akechi Mitsuhide, Shibata Katsuie and Hosokawa Fujitaka each served briefly as castellans. Nobunaga visited in 1574 to cut the sacred Ranjatai incense log, which had been brought from Tōdaiji. Many scholars believe Nobunaga drew inspiration from Tamon Castle: the artisans responsible for roof tiles, painted interiors, and metal fittings were requisitioned for work on Azuchi itself. His chronicler recorded the visit in the Shinchō Kōki:

There are no words for it—its magnificence was beyond the reach of language and even sight. (言語に絶え、目も及ばぬ程の結構なり)

Despite this admiration (because of it?) Nobunaga ordered the castle dismantled in 1576. He allowed no rival to his own masterpiece, Azuchi Castle. The four-story yagura was transferred to Azuchi Castle, its palatial halls moved to the Nijō Palace, and its stone was reused by Tsutsui Junkei, but its influence on castle evolution was undeniable.

Tamon Castle and the Transition to Early Modern Castle Design

Tamon Castle represented a major leap in castle architecture. Muromachi-period castles tended toward military fortification and relatively impermanent construction. Tamon may be considered the first true early modern castle (近世城郭).

  • The First Tenshu: A four-story takayagura (high turret) that served as the architectural ancestor to the iconic castle keeps that followed.
  • The Tamon-yagura: Long, defensive row-houses built directly atop stone ramparts. This style was so revolutionary that the term "Tamon-yagura" outlived the castle itself and became a standard of later castle architecture.
  • Gleaming White Plaster: Thick earthen walls finished with shikkui (plaster) provided both a stunning visual aesthetic, vital fireproofing against incendiary arrows and longevity from weathering.
  • Purpose-Built Roof Tiles: Unprecedented for castles of the period. Drawing on Nara’s long tradition of temple construction, Hisahide employed local craftsmen to produce tiles specifically for Tamon Castle. Excavated examples differ from contemporary temple tiles, showing deliberate adaptation rather than simple reuse. Hisahide’s correspondence from Kyoto indicates close attention to tile production during construction.
  • Extensive stone walls, stone foundations for building pillars, and stone-lined drainage channels, reinforced the castle’s intent as a durable, long-term seat of power.
  • Lavish palatial halls that established Tamon as more than a military fortification and enabled its role as a center of political and cultural authority.


These architectural elements existed individually in earlier castles, palaces and temples, but Tamon Castle was the first to bring them together deliberately within a single, coherent castle design, thereby influencing the form and purpose of castles that followed.


Field Notes

Unfortunately, there is very little to see on the castle site itself today beyond an information sign and a large horikiri cutting across the ridge. Most of Tamon Castle lies beneath Nara Wakakusa Junior High School and the imperial tumuli of Empress Ninshō and Emperor Shōmu.

That said, the area below the eastern side of the former castle between the castle and river is quietly interesting. This district may correspond to the residential quarters noted by the Portuguese missionary Luís de Almeida, who described organized living spaces associated with the castle. This neighborhood preserves a number of older houses and Edo-period stone walls (see map photo below). While individual buildings have changed over time, the street layout remains largely intact.

The photos included here also show views from the western hilltop.


Loading map...


Gallery
  • Tamonjo12.jpg
  • Tamonjo13.jpg
  • Display at Yamato Castle Festival (2025)
  • Tamonjo15.jpg
  • Tamonjo16.jpg
  • Tamonjo1.jpg
  • Tamonjo9.jpg
  • Tamonjo14.jpg
  • Viewed from the neighborhood
  • Tamonjo18.jpg
  • Tamonjo19.jpg
  • River in front of the castle
  • Tamonjo3.jpg
  • Tamonjo4.jpg
  • Tamonjo5.jpg
  • Tamonjo6.jpg
  • Tamonjo7.jpg
  • Tamonjo8.jpg
  • Tamonjo11.jpg


Castle Profile
English Name Tamon Castle
Japanese Name 多聞城
Founder Matsunaga Hisahide
Year Founded 1562
Castle Type Hilltop
Castle Condition Ruins only
Historical Period Pre Edo Period
Features trenches
Visitor Information
Access Kintetsu Nara Station; 25 min walk or 15 min bus and 10 min walk
Hours mostly closed to the public
Time Required 30 mins
URL Castle Website
Location Nara, Nara Prefecture
Coordinates 34.69437, 135.83143
Loading map...
Admin
Added to Jcastle 2026
Contributor Eric
Admin Year Visited 2025
Admin Visits October 5, 2025
Friends of JCastle
Jokaku Horoki
Kojodan
Shiro Meguri Fan
Shirobito


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