Stepping into the temple courtyard, the first thing you notice is not its scale but its color. The incense altars, tabernacles, horizontal plaques, and parallel couplets here are all lacquered black rather than crimson and gold like most northern Vietnamese temples. Villagers do not wear red clothes when entering the temple, do not wear red headscarves, and do not pin red flowers in their hair. A major temple without a single touch of red is rare enough to make first-time visitors pause.
The reason lies in the role this site preserves. Hát Môn Temple honors the Trưng Sisters (Hai Bà Trưng), and according to the sacred narrative, the stretch of river right in front of the temple is where the Two Sisters erected an altar to swear their oath before raising their banner, and later where they cast themselves into the water. Because this temple was built around an oath and a death, the entire pattern of worship here carries a tone of solemn commemoration rather than triumphal celebration.
IThe Trưng Sisters as oath-takers and martyrs
The figures worshipped here are Trưng Trắc and Trưng Nhị, two sisters from the Mê Linh region who lived at the beginning of the Common Era. The temple also has an ancient name, Quốc Tế Temple (Đền Quốc Tế), where the term quốc tế carries its classical meaning of a state-sponsored sacrificial rite rather than its modern sense of international. The Chinese characters placed by the library at the top of the page are derived from the place name Hát Môn, meaning the mouth of the Hát River, rather than copied from a plaque inside the temple.
Across Vietnam there are many places dedicated to the Trưng Sisters, and what is striking is that they do not worship the same image of them. Each temple preserves a distinct role, and that role governs the ceremonial calendar, the ritual furnishings, and even the color scheme inside the halls.
At Hát Môn, the two sisters are worshipped in the role of those who swore an oath and those who kept that oath to the very end. Not as reigning monarchs, and not as rulers. For that reason, the central symbol of the temple is neither a throne nor a royal seal but the Oath Altar (Đàn Thề), and the largest ceremonial cycle of the year marks their death rather than their enthronement. At Hai Bà Trưng Temple in Mê Linh, by contrast, the sisters are worshipped as monarchs, and everything there is arranged according to that royal role. Please read the separate page on Mê Linh Temple to see that other facet in full.
According to the monument dossier, the Hát River estuary was where the Trưng Sisters gathered their forces after leaving Phong Châu, and where they erected an altar to announce their cause to heaven and earth before launching their uprising in the year 40. Three years later, when the tide turned against them, the sisters returned to this very stretch of river. Dynastic histories and folk traditions do not record that final chapter in exactly the same way, but the worship tradition at Hát Môn holds firmly to one account, namely that the two sisters took their own lives here and the temple was founded on that exact spot.
No surviving text establishes the exact year the temple was founded. Oral tradition says the temple was built immediately after the year 43 and regards it as the oldest temple in the worship system of the Trưng Sisters, but that is an inference from legend rather than epigraphy. What can still be touched today is much younger, as the collection of royal decrees dates from the Lê, Tây Sơn, and Nguyễn dynasties, and the ceremonial gates seen today belong to the Nguyễn dynasty layer.
A common misunderstanding at this temple concerns the taboo against the color red. Many visitors hear of it in passing and assume that red is avoided simply because it is a festive color unsuited to a place of mourning. That explanation is not entirely wrong, but it misses the specific account given by the villagers themselves.
According to local tradition, red is taboo because it recalls the blood of that final day. That is why the restriction does not stop at visitors' clothing but permeates all the ritual furnishings, as the incense altars, tabernacles, horizontal plaques, and parallel couplets are all lacquered black. This is not a vague folkloric avoidance but a deliberate visual choice, making Hát Môn Temple one of the very few monuments in northern Vietnam where the interior palette speaks directly of the subject of worship.
Another common assumption is that every temple dedicated to the Trưng Sisters is alike. In reality, Hát Môn, Mê Linh, Đồng Nhân Temple, and other shrines preserve different roles, hold their festivals on different dates, and observe different taboos. Sharing the same deities does not mean sharing the same pattern of worship.
IIThe oldest temple in the Trưng Sisters worship system
The history here falls into two very unequal parts. The first is the 1st-century sacred narrative, which has no accompanying physical artifacts. The second is the surviving material layer, beginning in the Lê dynasty and growing denser through the Nguyễn dynasty. Between the two lies a gap of more than a thousand years about which written records can say nothing certain.
- Year 40Erection of the Oath Altar by the Hát River estuaryAccording to the sacred narrative, the Trưng Sisters set up an altar here to announce their cause to heaven and earth before raising their banner. That spot later became the Oath Altar, the thematic core of the temple complex.
- Year 43Martyrdom of the Trưng SistersAccording to the tradition preserved here, the two sisters returned to this stretch of river and cast themselves into the water. The sixth day of the third lunar month is observed as their commemoration day and the largest ceremonial cycle of the year.
- After 43Traditional founding of the templeOral tradition holds that the temple was established immediately afterward, making it the oldest temple in the worship system of the Trưng Sisters. No contemporary text confirms this date.
- Lê dynastyEarliest layer of royal decreesThe temple's collection of royal decrees begins in the Lê dynasty and continues through the Tây Sơn and Nguyễn dynasties.
- Nguyễn dynastyConstruction of the ceremonial gates and current layoutThe ceremonial gates seen today belong to the Nguyễn dynasty layer, decorated with sculpted phoenixes, unicorns, dragons, and the four sacred animals. Most of the present ground plan took shape during this period.
- 1964 and 2013National and special national heritage siteThe temple was ranked as a national heritage site in 1964, and subsequently ranked as a special national historical heritage site under Decision No. 2383 signed on December 9, 2013.
- 2016Festival inscribed on the national heritage listThe Hát Môn Temple festival was inscribed on the National List of Intangible Cultural Heritage and received its certificate of recognition in this year.
Regarding artifacts, the dossier of the Department of Cultural Heritage records that the temple preserves about 293 artifacts of wood, stone, bronze, ceramics, and metal dating from the Lê through the Tây Sơn to the Nguyễn dynasties, including 41 statues, 15 stone steles, 24 sets of parallel couplets, and 10 horizontal plaques. For the royal decrees specifically, sources differ, as the monument dossier of the Department of Cultural Heritage and the Hanoi Department of Culture and Sports records twenty-two decrees (20 from the Lê and Tây Sơn dynasties and 2 from the Nguyễn dynasty), whereas several press articles cite twenty-eight decrees. The library follows the number in the official dossier while noting the alternative figure from press accounts for comparison.
IIIThe Oath Altar, Tiên Pavilion, and black-lacquered halls
The structures of the temple face southwest, looking out toward the river. Rather than being enclosed within a single walled courtyard, the ground plan stretches out as a chain of points, some of which are not buildings at all but an earthen mound or a cluster of stone pillars. To read this site properly, one must read those points as well, because they carry the core meaning.
A small brick structure with an arched doorway facing the temple, its floor raised 45 centimeters above the road with three steps. It commemorates the old woman who offered floating rice cakes (bánh trôi) to the Trưng Sisters. One account says she offered the cakes when the troops assembled at the Oath Altar before marching out, while another says the Sisters ate two plates of floating rice cakes and two mangoes from her before casting themselves into the Hát River.
A small shrine located in front and to the right of the main temple, built on an inverted-T plan (chữ Đinh) with a three-bay front hall and a three-bay rear sanctuary. By custom, the statues and ritual objects were carried here for temporary safekeeping during the annual high-water season.
The spot where tradition says the Trưng Sisters erected an altar to announce their cause to heaven and earth before raising their banner. A stone pillar inscribed with the oath stands on the platform. This is the most symbolically weighty element of the entire complex.
Comprising two Nguyễn dynasty gate layers, namely an outer gate (nghi môn ngoại) of four brick pillars topped with sculpted phoenixes and unicorns (nghê), and an inner three-bay gate (nghi môn nội or tam quan) with a two-tier eight-roof structure decorated with dragons and the four sacred animals.
Consisting of a five-bay grand ceremonial hall (đại bái) followed by a five-bay front hall (tiền tế), with wood carvings of dragons and the four sacred animals spanning styles from the Revival Lê to the Nguyễn dynasties. All incense altars and ritual furnishings inside are lacquered black in keeping with the taboo against red.
Connected by a bridge hall (nhà cầu), each measuring three bays wide. The central bay of the rear sanctuary holds a closed wooden tabernacle housing the statues of the Trưng Sisters. Ritual objects inside are arranged in pairs corresponding to the two deities.
Two four-roof square stele pavilions (phương đình) stand outside the left and right wings, housing stone steles that record restorations. Gò Giấu Ấn is a tree-covered earthen mound behind the rear sanctuary where legend says the Trưng Sisters hid their royal seal before casting themselves into the river.
What draws the attention of researchers at this temple is not the scale of its timber frame but its lacquer and gilding scheme. In almost every temple of northern Vietnam, ritual furnishings are lacquered vermilion and gilded, with red as the ground and gold as the accent. At Hát Môn, the ground is black, and gold is used sparingly only for the lettering. The entire visual effect is inverted, as the interior space drops into a quiet solemnity, the characters on the horizontal plaques stand out more sharply, and anyone stepping inside is compelled to slow down. It is a rare case where a religious taboo leaves a direct mark on the craft of lacquerwork.
Around the temple stand many ancient trees whose canopies shade the courtyards, deepening that contemplative atmosphere. As a result, the complex retains its own coolness and filtered light, quite unlike monuments whose tree cover has been cleared away.
IVThe lie of the land and orientation
This section presents the library's reading through the lens of traditional feng shui, not content recorded in stele inscriptions or the monument dossier. The library states this clearly so that readers can distinguish source material from interpretation.
This spot was not chosen by geomantic divination. The temple stands here because the sacred narrative says the events happened here, and any feng shui reading must begin by acknowledging that fact. Yet for that very reason, the lie of the land at Hát Môn is more revealing to read than many carefully selected sites, because it shows how earlier generations worked with ground that was already fixed and could not be moved.
The element that governs everything here is water. The temple sits beside the mouth of the Hát River, where a tributary meets the main river. In traditional geomancy, a confluence where multiple water veins converge into one is a place that gathers qi strongly. The temple faces southwest, looking directly out toward the water and taking the entire river bend as its bright hall (minh đường). Judged purely by landform, this is a broad and open bright hall, considered auspicious in classical manuals.
Yet here lies a layer of meaning that feng shui manuals never discuss, and it is the most important point. The very stretch of water serving as the bright hall is also the stretch of water tied to the final moments of the two figures worshipped inside. The temple neither turns its back on that water to avoid it nor erects a screen to block it from view, but faces it head-on. Read in the traditional way, this places the site of loss at the most honored position of the ground plan, turning the most painful spot into the place looked upon directly every day. When a memorial temple is oriented in that manner, its direction is no longer merely about catching favorable breezes, but becomes a statement.
Because this area is riverside alluvial land that floods during the high-water season, the temple plan reflects that reality honestly. One entire structure was created specifically to cope with rising water, namely the Temporary Residence Shrine (Miếu Tạm ngự), where statues and ritual objects were carried for safekeeping during floods. In traditional geomancy, builders normally seek high ground to avoid water hazards. Here the opposite occurred, as the worship site had to remain on flood-prone ground, so instead of relocating the temple, villagers built a temporary retreat on higher ground and turned that response into a standing ritual custom. The library considers this way of dealing with the land well worth recording, because it shows that feng shui in real life is not always about choosing ideal ground, and is often about accepting the ground given and finding a way to live with it.
VThree ceremonial cycles and the offering of Sacred Cakes
Unlike most temples that hold only one main annual festival, Hát Môn Temple observes three ceremonial cycles a year across three different seasons. These three cycles are not three repetitions of the same rite, as each has its own meaning and its own ritual practice.
| Lunar date | Ceremonial cycle | Content |
|---|---|---|
| 4th to 6th of the third lunar month | Grand commemoration ceremony | The largest ceremonial cycle of the year, with the sixth as the main day. The centerpiece is the grand offering of floating rice cakes (bánh trôi) to the Trưng Sisters, accompanied by processions and ritual sacrifices. |
| 4th of the ninth lunar month | Autumn ceremony | The second ceremonial cycle of the year, featuring ritual sacrifices and a flag-dance performance. Sources explain the meaning of this date differently, as detailed below the table. |
| 24th of the twelfth lunar month | Bathing rite (Lễ mộc dục) | The year-end statue-bathing ceremony. By custom, unmarried village girls are chosen to carry the water and attend the rite before returning in procession to conclude the liturgical year. |
| From Lunar New Year to the 6th of the third lunar month | Taboo on eating floating rice cakes | During this period villagers abstain from eating floating rice cakes, reserving the dish until it has been offered to the Trưng Sisters. |
| Year-round | Taboo on the color red | Visitors do not wear red clothes or red headscarves when entering the temple, and ritual furnishings inside are lacquered black rather than vermilion. |
The most distinctive rite is the grand offering of floating rice cakes. The cakes are made from carefully selected golden-flower glutinous rice (nếp cái hoa vàng), using water drawn from a village well regarded as sacred, and those who prepare the cakes must observe ritual purity beforehand. Once finished, the cakes are called Sacred Cakes (bánh Thánh). By tradition, the offering tray holds one hundred small cakes, and after the sacrifice a portion is placed on leaves and released into the river while the remainder is shared as blessings. Sources differ on the exact number released into the river, with one source specifying forty-nine cakes, so the library records that figure while noting that it comes from a single source rather than a consensus across all documents.
Regarding the meaning of the fourth day of the ninth lunar month, sources differ and the library records both accounts. Some documents state that this date commemorates the Trưng Sisters raising their banner and mustering their troops. Other documents state that it marks a feast for the troops (khao quân) and link the date to the flag-dance performance in the festival. These two explanations do not exclude each other and may represent two interpretive layers superimposed on an old festival date, though the library has not found a primary text that settles the question definitively.
The festive portion of the third-month ceremony preserves traditional games of the Đoài region such as tug-of-war, human chess, and quan họ folk singing. Notably, even during the festive games, the taboo against the color red is maintained, giving the festival here a visual character quite unlike the bright red pageantry typical of northern village festivals.
VILocation And How To Get There
- Address
- Xã Hát Môn cũ, huyện Phúc Thọ, nay là xã Hát Môn, Hà Nội
- Getting there
- The temple is located in Hát Môn commune beside the Hát River estuary, about thirty kilometers northwest of central Hanoi. Because the complex stretches across a chain of separate structures, walking through the grounds is the only way to see every part.
- Coordinates
- 21.1295, 105.6119
This is an active place of worship with a strict local taboo, so please take note before entering not to wear red clothing, red headscarves, or bring red flowers into the temple. Beyond that, standard temple etiquette applies, including dressing modestly, removing hats when entering inner halls, walking quietly and speaking softly in the rear sanctuary, not touching the stone pillar at the Oath Altar or the black-lacquered ritual furnishings, and placing donations into merit boxes rather than onto altars. Villagers also observe the custom of abstaining from eating floating rice cakes from Lunar New Year until the sixth day of the third lunar month.
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?Quick Questions
Who is worshipped at Hát Môn Temple
The temple worships the Trưng Sisters, Trưng Trắc and Trưng Nhị. Here they are honored in the role of those who erected the Oath Altar before raising their banner and who took their own lives by the Hát River, unlike Hai Bà Trưng Temple in Mê Linh, which honors them as reigning monarchs. The temple also bears the ancient name Quốc Tế Temple.
Why does Hát Môn Temple avoid the color red
According to local tradition, red recalls the blood of the sisters' final day and is therefore taboo. The restriction extends beyond visitors' clothing to all ritual furnishings inside the temple, where the incense altars, tabernacles, horizontal plaques, and parallel couplets are lacquered black rather than vermilion and gold like most northern Vietnamese temples.
Where does the custom of offering floating rice cakes at Hát Môn Temple come from
It comes from the story of a roadside vendor who offered floating rice cakes to the Trưng Sisters, commemorated today by the Tiên Pavilion within the complex. The offered cakes, called Sacred Cakes (bánh Thánh), are made from selected golden-flower glutinous rice and water drawn from a sacred village well. Villagers abstain from eating floating rice cakes from Lunar New Year until the sixth day of the third lunar month.
On what dates does Hát Môn Temple hold its festivals
The temple holds three ceremonial cycles each year. The largest runs from the fourth to the sixth day of the third lunar month, with the sixth as the main day featuring the grand offering of floating rice cakes. The second falls on the fourth day of the ninth lunar month, and the third takes place on the twenty-fourth day of the twelfth lunar month with the year-end statue-bathing rite (lễ mộc dục).
How do Hát Môn Temple and Hai Bà Trưng Temple in Mê Linh differ
Both worship Trưng Trắc and Trưng Nhị, but they preserve two different roles. Hát Môn honors them as oath-takers and martyrs, with its main ceremony on their commemoration day, the sixth of the third lunar month. Mê Linh honors them as monarchs on the land where they ascended the throne, holding its main festival on the sixth of the first lunar month.