Walking to the end of the village road in Tam Đường, visitors encounter first not a temple roof but several massive earthen mounds rising amidst the rice fields, their bases ringed with concentric brickwork. Villagers call each mound by its familiar local name, Phần Đa, Phần Trung, and Phần Bụt, as naturally as naming neighborhood lanes. Beneath those mounds lie the resting places of the founding monarchs of a clan that rose from riverine fishing to the imperial throne, and those tombs form the true nucleus of this site.
Just north of the tomb mounds stand three temples aligned side by side and facing south toward the royal graves, with the King Temple (Đền Vua) in the center, the Saint Temple (Đền Thánh) on the left (east), and the Mother Temple (Đền Mẫu) on the right (west). Dividing ritual roles across three parallel sanctuaries makes complete sense once one remembers that this is not a distant memorial shrine. This is ancestral soil and a royal burial ground, the root toward which all Trần dynasty shrines across the northern delta turn.
IThe ancestral homeland and the figures venerated
Two historical layers overlap on this land, and distinguishing them is essential to understanding how the site is arranged. The first layer is the ancestral seat of origin (đất phát tích), the ancient Tinh Cương township (later renamed Thái Đường in Long Hưng prefecture), where the Trần forebears settled along the Red River as fisherfolk and laid the foundations of their house. The second layer is the royal burial ground (nơi táng), where the early Trần emperors and empresses were entombed alongside the imperial ancestral temple. Together, those two layers make Tam Đường the root while other Trần worship sites form the branches.
In traditional terms, this site embodies ancestor veneration in the fullest form a lineage can possess, uniting ancestral graves, an ancestral temple, annual death anniversaries, and descendants and villagers who jointly maintain the rites. Unlike a shrine erected from afar to venerate a canonized spirit, an ancestral homeland preserves all three elements that classical ritual considers complete, namely tombs to give peace to the departed, worship halls to seat the spirit tablets, and endowed ritual fields and village customs so that the incense never goes cold. When that clan ascended the throne, family ancestral rites became state ceremonies, yet the underlying framework remained that of a lineage honoring its forebears.
The division of the sanctuary into three parallel temples reflects that lineage structure. The central temple honoring the founding ancestors and emperors represents the root and sovereign head of the clan. The eastern temple honoring the Grand Commander-in-Chief represents meritorious service in defending the realm. The western temple honoring the Queen Mothers, Empresses, and Princesses represents the inner court and maternal line, a sphere that old clan genealogies often summarized briefly yet which here receives an independent temple of equal standing.
According to the heritage dossier of the Department of Cultural Heritage, the three temples divide their objects of worship clearly. The King Temple (Đền Vua) in the center, covering about 6,498 square meters, venerates the first three emperors of the Trần dynasty (Trần Thái Tông, Trần Thánh Tông, and Trần Nhân Tông), while co-worshipping Retired Emperor Trần Thừa, the pre-dynastic ancestors Trần Kinh, Trần Hấp, and Trần Lý, as well as Queen Mother Linh Từ (Trần Thị Dung) and Grand Preceptor Trần Thủ Độ. The Saint Temple (Đền Thánh) on the east, covering about 6,011 square meters, venerates Grand Prince Hưng Đạo (Trần Quốc Tuấn), his consort Queen Mother Nguyên Từ (Princess Thiên Thành), and their two daughters, Princess Quyên Thanh and Princess Đại Hoàng. The Mother Temple (Đền Mẫu) on the west, covering about 6,228 square meters on the foundation of the pre-1945 Trần Imperial Temple (Trần đế miếu), venerates Queen Mother Linh Từ (Trần Thị Dung), Empress Dowager Nguyên Thánh Thiên Cảm, and eight other Trần dynasty empresses and princesses.
Dedicating an entire temple to the royal women of the dynasty is a remarkable feature. In most northern Vietnamese temples, female consorts and mothers are co-worshipped at side altars within the same hall as their husbands or fathers. Here, the royal women occupy their own full-scale sanctuary aligned shoulder to shoulder with the King Temple and the Saint Temple, honored as an independent pillar of the dynasty rather than a subsidiary altar.
A frequent source of confusion is conflating this complex with the other major Trần dynasty sites, since all four share the dynastic name Trần. Their respective historical roles should be distinguished plainly without ranking one above another.
Tam Đường (Long Hưng) is the ancestral origin and early royal burial ground, preserving the ancestral graves, the Thái Đường Royal Mausoleums, and the dynastic temple site. Trần Temple in Nam Định stands on the foundations of the Thiên Trường Secondary Palace in Tức Mặc, honoring the court where the Retired Emperors resided. The Trần Dynasty Complex in Đông Triều encompasses the later An Sinh royal mausoleums together with the pagodas and towers of the Trúc Lâm Buddhist Zen school. Trần Thương Temple is a dedicated shrine to Grand Prince Hưng Đạo associated with his military granary. None of the four can replace the others, because each preserves a distinct chapter of the same royal house.
IIFrom ancestral graves to a special national heritage complex
The history of this site does not run in a single unbroken line. It begins with a dense imperial chapter in the thirteenth and fourteenth centuries, when Tinh Cương township was renamed Thái Đường within Long Hưng prefecture to house the dynastic ancestral temple, royal mausoleums, and secondary palace. Following the upheavals of the late fourteenth century came a long span of centuries during which the ancient palaces fell into ruin and worship survived through a single village temple and the customs of Tam Đường village, followed in recent decades by archaeological excavations and the reconstruction of the three temples.
- Early 13th centuryAncestral settlement at Tinh CươngThe Trần forebears Trần Kinh, Trần Hấp, and Trần Lý settled along the Red River at Tinh Cương township and established their ancestral graves there, laying the foundation for the Trần dynasty (founded in 1225).
- 1234Renaming as Thái Đường and construction of Thọ LăngIn the first lunar month of the Giáp Ngọ year 1234, Retired Emperor Trần Thừa passed away. In the eighth month, the court entombed him together with Empress Dowager Thuận Từ (Lady Lê) at Thọ Lăng in Tinh Cương, renamed the township Thái Đường, and erected the Chiêu Mục ancestral temple in Long Hưng prefecture.
- 1277Chiêu Lăng MausoleumThe joint mausoleum of Emperor Trần Thái Tông (died 1277) and Empress Dowager Hiển Từ Thuận Thiên (died 1248).
- 1290Dụ Lăng MausoleumThe joint mausoleum of Emperor Trần Thánh Tông (died 1290) and Empress Dowager Nguyên Thánh Thiên Cảm (died 1287).
- 1310Đức Lăng (Quy Đức Lăng) MausoleumIn the ninth lunar month of the Canh Tuất year 1310, the sacred relics of Emperor Trần Nhân Tông (the Buddha Emperor who founded the Trúc Lâm Zen school) were entombed alongside Empress Dowager Khâm Từ Bảo Thánh at Đức Lăng in Long Hưng prefecture.
- 1381Relocation of spirit tablets and partial tombs to An SinhFacing riverine incursions by Champa forces, the Trần court moved royal spirit tablets and portions of the mausoleum objects to the mountain fastness of An Sinh in Đông Triều, dividing the Trần royal mausoleum system between Thái Đường (Long Hưng) and An Sinh (Đông Triều).
- 1979 to 1990Four archaeological excavation campaignsThe Institute of Archaeology and provincial authorities conducted four excavations that uncovered architectural foundations and thousands of Trần-era dragon-and-phoenix terracotta bricks and tiles, confirming the site of the Long Hưng Palace and dynastic temple.
- From 1998 onwardReconstruction of the three templesOn the site of the pre-1945 Trần Imperial Temple (Trần đế miếu) and adjacent land, the King Temple, Saint Temple, and Mother Temple were reconstructed on a grand scale, each featuring front, middle, and rear ceremonial halls.
- 2014National intangible heritage and Special National HeritageThe Trần Temple Festival was inscribed on the National List of Intangible Cultural Heritage under Decision 231/QĐ-BVHTTDL on January 27, 2014, and the complex was ranked a Special National Heritage Site under Decision 2408/QĐ-TTg on December 31, 2014.
Several historiographical points should be noted plainly. The first concerns the name of the fourth royal mausoleum, which the Department of Cultural Heritage dossier records as Đức Lăng (where Emperor Trần Nhân Tông and Empress Dowager Khâm Từ were jointly entombed in 1310), while several translated chronicles render it as Quy Đức Lăng. Both names refer to the same mausoleum in Long Hưng prefecture.
The second concerns the relationship between Thái Đường (Long Hưng) and An Sinh (Đông Triều). Dynastic annals record that in 1310 part of the relics of the Buddha Emperor Trần Nhân Tông was enshrined at Huệ Quang Stupa on Mount Yên Tử while part was placed in Đức Lăng at Long Hưng, and that in 1381 the court transferred spirit tablets to An Sinh. Consequently, both Tam Đường and Đông Triều hold authentic historical ties to the Trần royal tombs rather than one being genuine and the other merely symbolic.
The third concerns Phần Cựu mound and the legend of the ancestral grave. About 500 meters west of the three mounds Phần Đa, Phần Trung, and Phần Bụt, right beside the Red River dike, stands another ancient earthen mound called Phần Cựu (popularly known as the Ancestral Grave or associated with Thọ Lăng). The geomantic legends recounting how the early Trần ancestor's grave was sited here belong to local oral tradition and clan genealogies, which the library notes as part of the cultural memory of the ancestral land.
IIIThe tomb mounds, the three temples, and the archaeological foundations
Visitors should first picture the overall spatial layout. Rather than a single walled temple compound, this is an expansive heritage landscape consisting of three contiguous zones, namely the royal tomb mounds out in the southern fields, the three parallel temples to the north facing south toward the tombs, and the excavated archaeological foundations.
Covering 38,221 square meters south of the temples, dominated by three large earthen mounds aligned from east to west that villagers call Phần Đa, Phần Trung, and Phần Bụt. Each mound base is ringed by concentric brickwork measuring roughly 65 meters in diameter, while Phần Cựu mound lies about 500 meters further west near the Red River dike.
Occupying the central position in the temple zone across 6,498 square meters. Rebuilt from the late 1990s onward, its layout comprises a three-entrance gate, ceremonial court, two side galleries, front hall, middle hall, rear sanctuary, and jade well, housing bronze statues of the early Trần emperors.
Standing to the east (left of the King Temple) across 6,011 square meters, dedicated to Grand Prince Hưng Đạo (Trần Quốc Tuấn), his consort, and two princesses. The complex includes a gate, square pavilion, courtyard, side galleries, gong and drum towers, and front, middle, and rear halls.
Standing to the west (right of the King Temple) across 6,228 square meters on the exact site of the pre-1945 Trần Imperial Temple (Trần đế miếu). It comprises a gate, courtyard, side galleries, front, middle, and rear halls, and a jade well, dedicated to the Queen Mothers, Empresses, and Princesses of the Trần dynasty.
Four excavation seasons between 1979 and 1990 uncovered brick foundations and thousands of Trần-dynasty architectural artifacts including bodhi-leaf tiles, chrysanthemum bricks, and terracotta dragon and phoenix heads, confirming the location of the ancient Long Hưng Palace and dynastic temple.
In reading the architecture, visitors should distinguish the pre-1945 shrine from the three standing temples. Before 1945, on the site now occupied by the Mother Temple stood the old Trần Imperial Temple (Trần đế miếu), built in a two-hall (chữ Nhị) plan with a seven-bay front hall and five-bay rear sanctuary that was later destroyed in wartime. From 1998 onward, the current King Temple, Saint Temple, and Mother Temple were newly constructed side by side, each built with three principal halls (front, middle, and rear ceremonial halls) framed in carved ironwood. The authentic thirteenth- and fourteenth-century remains lie in the earthen tomb mounds out in the fields and the terracotta artifacts unearthed beneath the ground.
A key point should be noted regarding the three large mounds in front of the temples. According to the Department of Cultural Heritage dossier, the three standing mounds Phần Đa, Phần Trung, and Phần Bụt correspond to the royal mausoleums of the first three Trần emperors, namely Chiêu Lăng (Trần Thái Tông), Dụ Lăng (Trần Thánh Tông), and Đức Lăng (Trần Nhân Tông), while Phần Cựu mound to the west is associated with the earlier ancestral tomb layer. At the same time, archaeologists continue to study the internal structure of each mound in relation to the 1381 relocation recorded in dynastic annals. Visitors can therefore view the mounds both through the official identification in the Special National Heritage dossier and in light of the complex historical evolution of the Trần royal tombs.
IVThe lie of the land and orientation
This section presents the library's reading through the lens of traditional Vietnamese geomancy (phong thủy) rather than content drawn from stele inscriptions or official heritage dossiers. The library states this clearly so that readers may distinguish historical documentation from geomantic interpretation. For an imperial mausoleum complex, this aspect merits close attention, as premodern courts selected royal burial grounds with utmost care.
First is the water configuration. Tam Đường lies in a major river confluence zone where the Red River meets the Luộc River at the border of three historical provinces. In flatland geomancy, where rocky mountain ranges are absent, water courses take the place of mountain dragon veins (long mạch), and a tract of land embraced within the bend of converging rivers is prized as a water gathering (thủy tụ). Classical geomancy views water as the bearer of vital energy and the pooling of water as the gathering of qi, so for a clan that rose from river fishing to establish its ancestral seat right where great rivers meet was a choice aligned with both their livelihood and the lie of the land.
Second is the formation of the mounds. Local tradition records that the burial landscape was laid out in the pattern of Three Terrace Stars in front and Seven Northern Dipper Stars behind (tiền tam thai hậu thất tinh), meaning the three great mounds Phần Đa, Phần Trung, and Phần Bụt aligned across the southern foreground represent the Three Terrace constellation (Tam Thai), while seven smaller mounds that formerly stood to the north represented the Seven Stars of the Northern Dipper (Thất Tinh). This is a classic method used by traditional geomancers in flat delta terrain, taking earthen mounds as mountains and front screens (án) where natural hills are absent. Ringing the bases of the three front mounds with concentric brickwork made that Three Terrace formation stand out even more clearly across the fields.
Third is the relationship between the resting place of the dead and the sanctuary of the living. Classical geomancy distinguishes yin-dwelling land (âm trạch) for tombs from yang-dwelling land (dương trạch) for temples, stipulating that the two should not be stacked directly on top of one another. Here the royal tombs lie out in the open southern fields, while the three temples stand to the north facing south directly toward the three tomb mounds across an intervening courtyard and village lane. That arrangement follows classical principle, placing the departed in quiet open earth while seating the ceremonial halls where the living can assemble, with the three royal mounds serving as the immediate front screen (tiền án) before the temple gates.
Fourth is orientation. All three temples sit on the north and face south, looking out over the tomb mounds toward the great rivers. The bright hall (minh đường) here is not merely the brick courtyard or the jade wells inside the gates, but the entire expanse of level fields stretching southward to the dikes of the Red River and Luộc River. Classical manuals praise a bright hall that is wide and level, capable of gathering qi from all directions, and the fields of Tam Đường exemplify that ideal.
Finally, there is the deeper meaning of ancestral soil. In traditional thought, selecting an ancestral burial ground was not merely about finding an auspicious node (huyệt), but about anchoring the entire lineage so that no matter how far descendants traveled, they retained a root to which they could return in filial remembrance. Read in that light, the greatest geomantic value of Tam Đường lies in its status as the originating node of the entire Trần dynasty.
VThe first-month festival and village customs
The annual festival runs from the 13th to the 16th day of the first lunar month, opening with the gate-opening sacrificial rite performed by the senior elders of Tam Đường village. The Trần Temple Festival here was inscribed by the Ministry of Culture, Sports and Tourism on the National List of Intangible Cultural Heritage under Decision 231/QĐ-BVHTTDL on January 27, 2014. Remarkably, nearly every rite in the festival recalls the fishing livelihood and riverine origins of the Trần clan rather than military campaigns.
| Lunar date | Rite | Details |
|---|---|---|
| 13th day of the 1st month | Gate-opening rite and tomb homage | Senior elders of Tam Đường village offer flowers, incense, and wine in the middle hall courtyard according to ancient liturgy, then proceed to offer incense at the three royal tomb mounds. |
| 13th day of the 1st month | Water procession (by land and river) | A procession of thousands marches from the temples to the riverbank and boards boats to the confluence of the Red River and Luộc River, where the chief officiant draws midstream water into a large porcelain jar to carry back to the King Temple. |
| Throughout the festival | Fish feast competition (thi cỗ cá) | Village hamlets prepare elaborate ceremonial feasts featuring three freshwater fish, namely black carp (cá trắm), common carp (cá chép), and snakehead fish (cá quả), cooked whole in lifelike swimming postures to offer to the Trần ancestors in remembrance of their fishing origins. |
| Throughout the festival | Sworn-brotherhood rite between Tam Đường and Vân Đài | The centuries-old fraternal alliance (giao chạ) between Tam Đường and Vân Đài villages is renewed during the festival, with elders of both villages exchanging processions and sacrificial greetings as brothers. |
| Throughout the festival | Traditional folk games | Ball wrestling (vật cầu), friction fire-making and reed-rice cooking contests (nấu cơm cần), earth-cannon throwing (pháo đất), kite flying, wrestling, and ritual singing. |
The water procession on the 13th day of the first lunar month, combining both a land march and a river flotilla, deserves special mention. The sacred water must be drawn right at the confluence where the Red River meets the Luộc River rather than near the bank. In traditional riverine worship, water drawn from the midstream confluence of great rivers is the purest offering a delta community can present to its ancestors, and enshrining that water in the King Temple alongside the fish feast competition is a liturgical way of declaring that the Trần imperial house rose from the rivers.
Beyond the first-month festival, the complex also observes the individual death anniversaries of the Trần monarchs and the twentieth day of the eighth lunar month commemorating Grand Prince Hưng Đạo at the Saint Temple, in harmony with the autumn memorial tradition across northern Vietnam.
VILocation And How To Get There
- Address
- Thôn Tam Đường, xã Tiến Đức cũ, nay là xã Long Hưng, tỉnh Hưng Yên
- Getting there
- The complex is located in Tam Đường hamlet, former Tiến Đức commune (former Hưng Hà district, Thái Bình province), now Long Hưng commune, Hưng Yên province, near the confluence of the Red River and Luộc River. The royal tomb mounds, the three-temple complex, and the archaeological site lie immediately adjacent to one another within easy walking distance.
- Coordinates
- 20.599, 106.1468
Because this complex is both an active place of worship and a royal burial ground, solemn decorum should be maintained throughout. Visitors should dress modestly, remove hats when entering the front, middle, and rear ceremonial halls, walk quietly and speak softly, and place offerings into the donation boxes. Out in the royal tomb zone, visitors should keep to the brick-paved paths encircling the mounds, and refrain from climbing onto the tops of Phần Đa, Phần Trung, and Phần Bụt mounds or stepping over the brick retaining rings. The 13th day of the first lunar month draws the largest crowds of the year for the gate-opening ceremony and the multi-kilometer water procession to the Red River.
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?Quick Questions
Whom do the Tombs and Temples of the Trần Kings venerate?
The three parallel temples divide their roles clearly. The King Temple in the center venerates the first three Trần emperors (Trần Thái Tông, Trần Thánh Tông, Trần Nhân Tông) while co-worshipping Retired Emperor Trần Thừa, the ancestors Trần Kinh, Trần Hấp, and Trần Lý, Queen Mother Linh Từ (Trần Thị Dung), and Grand Preceptor Trần Thủ Độ. The Saint Temple on the left venerates Grand Prince Hưng Đạo (Trần Quốc Tuấn), his consort Queen Mother Nguyên Từ, and Princesses Quyên Thanh and Đại Hoàng. The Mother Temple on the right venerates the Queen Mothers, Empresses, and Princesses of the Trần dynasty.
How does this complex differ from Trần Temple in Nam Định and the Đông Triều complex?
They differ in historical function. Tam Đường (Long Hưng) is the ancestral seat of origin and the burial ground of the pre-dynastic ancestors and first four monarchs (Thái Đường Royal Mausoleums). Trần Temple in Nam Định stands on the site of the Thiên Trường Secondary Palace in Tức Mặc, where the Retired Emperors held court. Đông Triều (Quảng Ninh) is the later An Sinh royal mausoleum zone closely tied to the Trúc Lâm Yên Tử Zen school.
Which royal mausoleums are located here?
Dynastic annals and the heritage dossier record four principal mausoleums at Thái Đường, comprising Thọ Lăng (entombing Retired Emperor Trần Thừa in 1234), Chiêu Lăng (entombing Trần Thái Tông in 1277), Dụ Lăng (entombing Trần Thánh Tông in 1290), and Đức Lăng or Quy Đức Lăng (entombing Trần Nhân Tông in 1310). On the ground today, three large mounds in front of the temples (Phần Đa, Phần Trung, and Phần Bụt) correspond to Chiêu Lăng, Dụ Lăng, and Đức Lăng, while Phần Cựu mound lies about 500 meters to the west.
When does the Trần Temple Festival here take place?
From the 13th to the 16th day of the first lunar month each year, inscribed on the National List of Intangible Cultural Heritage in 2014. It opens on the 13th with the gate-opening sacrificial rite and a land-and-river water procession from the confluence of the Red and Luộc Rivers, followed by the fish feast competition (thi cỗ cá), the sworn-brotherhood rite between Tam Đường and Vân Đài villages, and traditional folk games.
Why does this complex have a separate Mother Temple?
Because this is the clan's ancestral homeland and the burial site where empresses were entombed alongside emperors, honoring the entire imperial family rather than monarchs alone. The Queen Mothers, Empresses, and Princesses are venerated in their own dedicated Mother Temple on the west side, standing on the exact foundation of the pre-1945 Trần Imperial Temple, on equal footing with the King Temple and Saint Temple.