the open-air reserve at El Mollar, Tafí del Valle, Argentina

Tafí menhirs

About 200 BCE to 800 CE (the stones were moved, so a sunrise is hard to check)

In the Tafí valley, people cut and hauled granite pillars, some nearly 5 metres high and about 4.5 tonnes. Faces and figures occupy one side, which makes each stone a front. A field study in 1960 placed them between about 200 BCE and 800 CE. In 1977 they were pulled out of the fields and stood up together in a park. The sunrise they may have marked did not move with them.

Why this is extraordinary

The Tafí valley has granite pillars the nineteenth century called menhirs, a European word for a long stone. The largest are about 5 metres high, a metre wide, and 4.5 tonnes. The carving sits on one face, a person or a sign you are meant to stand in front of. A 1960 study of the stones and the archaeology around them put that work between about 200 BCE and 800 CE. The national record says more than 2,000 years ago, and it says what happened next. In the 1970s the pillars were taken out of the fields and stood in a park that was not their old arrangement. For many of them the original spot was already forgotten. El Rincón, at El Mollar, is the area still named as a source. In 2002 they were moved again, into the reserve where you can walk among them. Counts hover around 114 in the valley, and about 123 once stones were brought back from plazas and a cemetery, with one extra stump of 70 centimetres that had never been listed.

Older descriptions give some stones a human face set on a jaguar’s body. That picture is their motif for the being on the stone. An Inca origin has been hung on the same descriptions. González and Núñez Regueiro, in 1960, place the pillars with Tafí material of about 200 BCE to 800 CE. Those published dates put the stones earlier than the Inca.

East is the sky question. Several descriptions say the carved front faced east, and east at this latitude is where the equinox sun comes up. The June and December suns rise well off that line, so a true east is a real test. It is a test the 1977 trucks ruined for every stone whose socket was not written down. A later note from the fields, not from the reserve, describes two short pillars whose line aimed at equinox sunrise behind Cerro Mala Mala, and four more that might have made a season’s count. That is a different set of stones from the rows in the photograph, which also contains power lines. A fertility reading and an ancestor reading both fit a single carved front, and later people in the valley are said to have dressed some pillars with feathers. Those meanings do not need a sunrise. A sunrise needs the old holes.

What this changes: the sculptures are Tafí work of the centuries around the start of the common era, and they are safe in a yard. If the fronts were a sun sight, the yard is the place where that sight ended. Any pillar still in the ground is the one worth measuring before it joins the row.

Why it matters

If the carved face was set toward the east, the stones are a solar rite as well as a fertility image, and moving them erased the observation. If the face is an ancestor or a phallic sign and the direction was only “toward the valley,” the park saved the sculptures and lost a map that was never a calendar.

The national monuments note says the monoliths were carved more than 2,000 years ago and that the 1970s transfer, under a de facto government, put them in an arbitrary part of the valley and built a scene that was not their old one. Context was modified. For some stones the original place was no longer known, except for a concentration at El Rincón, in El Mollar. In 2002 they were moved again, after excavation on the new ground, into the open-air museum where they stand now. A count used in the older literature is 114 stones. The 2002 move gathered on the order of 114, and with pieces brought back from plazas and a cemetery the reserve’s total was put at 123, plus one small stone of 70 centimetres that had not been on the lists. The largest were about 5 metres, 1 metre wide, and 4.5 tonnes. Carving sits on one plane, a front. The word menhir itself is a nineteenth-century comparison with European long stones, not a Tafí name.

Photo tour

1 photograph, unedited. On a phone, swipe the row. Choose one to look closely.

The original scatter is not in the photograph. Stones still in old sockets, including the described equinox pair, are not shown.

What is still unexplained

These sit beside the consensus account, with the same visual weight. None of them is marked solved.

Open A front toward the east Several accounts say the carved face looked east, and they tie east to the sun. At this latitude, about 27 degrees south, equinox sunrise is due east and the June and December suns rise well north and south of it, so a consistent east is a testable claim. It was not written down stone by stone before the 1977 move. The national note is explicit that original positions were lost. A later astronomical reading, using stones that could still be found in the fields, describes a pair about 1.2 metres high whose shared line pointed at equinox sunrise behind the ridge of Cerro Mala Mala, and four others that might make a seasonal calendar. Those are stones that had not lost their sockets, or that were put back. They are not the rows in the reserve. The photograph shows the rows, the power lines, and the mountains. You cannot take a solstice off that arrangement. The catch is the one every moved stone has. A direction measured after a truck ride is the truck’s direction.

Open Ancestor, phallus, or both The older field reading calls the pillars phallic and ties them to a fertility rite. Older descriptions also give some stones a human face on a jaguar body, a motif this room had not set beside the face. An Inca origin has been attached to those same descriptions. The 1960 dates, as published, place the stones in the Tafí centuries, earlier than the Inca. The single carved face fits a being people addressed, an ancestor or a mark of a lineage, which is how standing stones are often used. Santa María people later in the valley are said to have kept using the pillars, adding feathers, and Spanish writers called those feathered stones mochaderos. A fertility image and an ancestor can be the same stone. A sun-facing front can be the third use, the time of day you stand in front of it. None of the three requires the other two to be false. What the move destroyed is the chance to see whether the fronts agreed. A set of faces all turned the same way is a rite of direction. A set of faces turned wherever the sculpture looked best is a park. The reserve is the second, by design of the 1977 gathering, even though 2002 tried to repair the damage of the first gathering.

Location and dating

Location: The archaeological reserve Los Menhires at El Mollar, Tafí del Valle, Tucumán. The coordinate is that reserve, about 26.99 south and 65.71 west, where the stones stand now. Their old sockets were scattered in the valley, especially toward El Rincón, Casas Viejas, and El Potrerillo.
Period label: Current consensus — open to revision Tafí culture, about 200 BCE to 800 CE in the 1960 study. The national note says more than 2,000 years ago for the carving. Later use by Santa María people is a second life, not a second carving date.
How this dating was done: Association with Tafí archaeology, not a radiocarbon sample on the granite. Granite has no carbon. Direction is lost for the stones in the reserve.
What could change it: A socket that was never emptied, with a date in the fill against the stone, would tie one pillar to the 200 BCE–800 CE window instead of the culture in general. The equinox pair in the fields needs a published bearing, not only a sentence, before it can be checked.

Published ranges, drawn as bars. A bar is a claim about a span, not a point.

Tafí windowContested

200 BCE250 CE800 CE

Tafí window. The 1960 extension of the study to the associated material. Not a date on the granite itself.

What is actually there

A working count is 114 stones in the valley, with about 123 gathered by 2002 including returns from town plazas.
Maximum size about 5 metres, 1 metre wide, 4.5 tonnes.
Carving is concentrated on one face. Older descriptions give some stones a human face on a jaguar body.
An Inca origin is sometimes attached to that motif. González and Núñez Regueiro’s 1960 dates place the work in the Tafí centuries.
Moved to a park in 1977 and to the present reserve in 2002.
The rows in the photograph are not the original sockets.

Open questions

Question	Status
Did the carved fronts face equinox sunrise, or only generally east?	Open. The 1977 move erased most of the bearings. A field pair has been described and is not the reserve.
Are the stones fertility images, ancestors, or a calendar?	Open. One carved front can be all three. The move makes the calendar the hardest to test.

The current narrative

Where publication stands today. It is the best-supported reading, and it is open to revision. It is not a verdict.

The current narrative — open to revision

Ancestral or fertility stones of the Tafí centuries

The pillars belong to the Tafí culture, about 200 BCE to 800 CE, carved on one face as beings or as fertility signs. Any solar use is unproven for the ones now in rows.

What supports this

The 1960 study’s window matches the national note’s “more than 2,000 years.”
One carved plane is what you give a stone that people face. Phallic form and a face can share that job.
Older descriptions add a human face on a jaguar body. The 1960 study, as published, places the stones with Tafí material rather than with the Inca.
Later feathering by Santa María people, if the report holds, means the stones stayed in ritual use after the Tafí centuries.

What pushes back

East-facing fronts are reported often enough that ignoring the sun leaves a repeated detail unused.
A field pair has been described as marking equinox sunrise behind a named ridge. That is a sky claim with a place, even if it is not yet a full survey.
Granite cannot be radiocarbon dated. The culture date is association, and association weakened when the stones were hauled.

What would settle it

It is the centre because the carving and the Tafí context are what survive the move. It does not pretend the old directions were recorded.

Emerging narratives

Other published readings. Each may be right. None is adopted here unless the evidence carries it.

An emerging narrative

Fronts set on the sun

The carved face was aimed at the eastern horizon, and at least some pairs marked equinox sunrise. The reserve preserves the sculptures and not that aim.

What supports this

Repeated descriptions say the front looked east, toward the sun.
At 27 degrees south, due east is equinox sunrise, so the claim is specific enough to fail.
A pair about 1.2 metres high, still readable in the fields in 2003, was reported on an equinox line to Cerro Mala Mala, and four others were proposed as a seasonal set.

What pushes back

The 1977 move was done without recording every socket. Most stones cannot be put back on a bearing.
A single pair can hit a ridge by chance. One equinox line is a start, not a calendar for 114 stones.
“East” in a valley can mean the open side, the way the fields face, without anyone watching the equinox.

What would settle it

It stays because east is reported and one pair has a named ridge. It is not the centre while the reserve, which is what visitors see, has no original direction left in it.

Should the current view be reevaluated?

Open to revision

The stones, the single carved face, and a Tafí date of about 200 BCE to 800 CE are the durable facts. The 1977 gathering destroyed the map those facts need if the question is the sun. Open keeps a fertility or ancestor reading, and it keeps the equinox pair as a field claim that the park cannot illustrate.

What drives this

Pillars up to about 5 metres and 4.5 tonnes, carved on one side.
A 1960 date window of about 200 BCE to 800 CE.
A 1977 move that discarded original positions, and a 2002 re-siting in the reserve.

This is the museum’s own weighing of the evidence. It is not a visitor vote, and it is separate from the slider.

Weigh it yourself

Anonymous. Nothing here is stored except on this browser. Your lean does not change the assessment beside it.

Ancestral or fertility stones of the Tafí centuries Unsure Fronts set on the sun

If the contested reading is right

What would follow if a reading that is not the consensus turned out to be true, and what could settle it. This explains the stakes. It does not adopt the reading.

Some fronts marked equinox sunrise

Tafí standing stones would be a solar instrument as well as a sculpture, and any pillar still in a socket would be worth a bearing before it is “rescued” into a row.

Why it is still worth a test

A survey of the unmoved stones, azimuth and horizon height, published against equinox and the solstices, starting with the Mala Mala pair.

Sources

Menhires de la cultura Tafí Argentina, national monuments record
Reserva arqueológica Los Menhires The counts, the 5 metres and 4.5 tonnes, the 1960 date, and the moves

Image credits

The reserve at El Mollar. The stones stand in rows that are a modern arrangement. Several have carved fronts. Power lines and pines are present-day. The mountains are the valley wall. . Claudio Elias, CC BY-SA 3.0. Shown unedited.

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