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Field Guide · Entry № 013

Cueva de las Manos

Hunter-gatherers held a hand against the rock and blew mineral pigment around it through a hollow bone. They did it hundreds of times over thousands of years — and more than nine in ten of the hands are left ones.

Photography for Cueva de las Manos is being sourced and credited.
Where
Río Pinturas canyon
Santa Cruz Province, Argentina
Coordinates
47.1560° S
70.6570° W
Biome
Patagonian steppe
Hands
c. 800 documented
>90% left hands
Status
UNESCO World Heritage, 1999
Best visited
November–March

The short answer

Cueva de las Manos is a rock art site in the canyon of the Río Pinturas in Santa Cruz Province, Argentine Patagonia, between the towns of Perito Moreno and Bajo Caracoles. Its name comes from the hundreds of stencilled human hands on its rock faces, made by holding a hand against the wall and blowing mineral pigment around it through a hollow bone tube. Of roughly 800 documented stencils, more than 90 per cent are left hands. UNESCO inscribed the site in 1999.

Why it's worth knowing

Hand stencils appear at rock art sites across the world, from Sulawesi to El Castillo. What distinguishes Cueva de las Manos is density and duration: hundreds of hands layered over one another on the same rock faces, added over a span long enough that the styles beneath and above differ visibly.

And then the detail that reorganises the whole site once you notice it. The overwhelming majority are left hands, because the artist held the blowing tube in the right. That is a small fact about handedness, and it is also a startling one: it means the proportion of right-handed people in a Patagonian hunter-gatherer population thousands of years ago is legible on a cliff face, recorded by accident, by people who were not recording it.

One of the hands has six fingers. Nobody has explained it.

The field notes

How it was done

The technique is reconstructed from the paintings themselves and from surviving fragments of the pipes. Mineral pigments were ground and mixed — iron oxides for reds and purples, kaolin for white, natrojarosite for yellow, manganese oxide for black — then blown through a hollow bone tube across a hand held flat against the rhyolite. Lift the hand and a sharp negative outline remains.

The other imagery is painted directly rather than stencilled: guanaco, the wild camelid that was the region's main prey, and hunting scenes showing groups driving animals, some using bolas. Much of that figurative work is understood to be older than the hands.

How old, and why nobody will tell you precisely

This is the part where most accounts quietly pick a number. The published record does not support one.

UNESCO's own materials disagree with each other. The main World Heritage listing gives the art as executed between 13,000 and 9,500 years ago. A UNESCO tentative-list page for the same site gives 9,300 to 1,300 years ago. The original nomination documentation describes roughly 10,000 to 1,000 years ago. Other standard references give 7300 BCE to 700 CE.

These are not rounding differences; they describe substantially different spans and different starting points. What is agreed is that the art was made in several distinct phases over a very long period, with the earliest work likely around nine thousand years old and the latest a good deal more recent. Anyone who gives you a single confident date range is choosing one source and not telling you about the others.

Investigation

Local people knew the canyon long before anyone published about it. Photographs by Alberto M. De Agostini brought it to wider attention in the early 1940s, and systematic archaeological work began in 1964 under the Argentine archaeologist Carlos J. Gradin, whose team worked the site and surrounding Río Pinturas locations for roughly three decades. Excavation produced bone tools, pigment-grinding stones and stratified hearths, which is what allows the paintings to be tied to dated occupation layers at all.

A name worth untangling: the town of Perito Moreno, near this site, is a different place from the Perito Moreno Glacier, roughly 350 kilometres south in Los Glaciares National Park. Both are named for the explorer Francisco P. Moreno. Travel information about one does not apply to the other, and the confusion is common enough to have stranded people.
The Relic

A left hand in ochre red, at roughly the height of your own. It was outlined by pigment blown through a bone tube held in someone's right hand, and it sits among hundreds of others layered across the same rock. Put your palm beside it and the fit is unremarkable, which is the unsettling part.

Getting there

The site sits off Ruta Nacional 40 in Santa Cruz Province. The nearest airports with regular service are El Calafate and Comodoro Rivadavia, both several hours away by road; the town of Perito Moreno has a small airstrip with limited service and is the usual overland base, as is the smaller settlement of Bajo Caracoles. Unpaved access roads lead from Ruta 40 to the visitor centre; a high-clearance vehicle is advisable and conditions vary with weather.

Access to the painted panels is by ranger-guided tour only and involves walking down into the canyon. Bring water, sun protection and windproof clothing regardless of the forecast — the steppe offers no shade and the wind through the canyon can be severe. November to March is the reliable window.

Common questions

What is Cueva de las Manos?

Cueva de las Manos is a rock art site in the canyon of the Rio Pinturas, Santa Cruz Province, Argentina, holding hundreds of stencilled human hands alongside painted hunting scenes and depictions of guanaco. It was inscribed as a UNESCO World Heritage Site in 1999 and is also an Argentine National Historic Monument.

How old is the art at Cueva de las Manos?

The dating is genuinely unsettled, and UNESCO's own materials disagree: the main World Heritage listing gives 13,000 to 9,500 years ago, a tentative-list page gives 9,300 to 1,300 years ago, and the nomination documentation gives roughly 10,000 to 1,000 years ago. The art was made in several phases over a long period; no single precise range is well supported.

Why are most of the hands at Cueva de las Manos left hands?

More than 90 per cent of the roughly 800 documented stencils are left hands, because the artists held the pigment-blowing tube in the right hand and pressed the left against the rock. The consistency across many individuals and generations makes it a legible record of handedness in the population.

How were the hand stencils made?

Mineral pigments were ground and blown through a hollow bone tube around a hand held flat against the rock face, leaving a negative outline when the hand was lifted. Iron oxides produced reds and purples, kaolin white, natrojarosite yellow, and manganese oxide black. Fragments of the bone pipes have been recovered at the site.

Is Cueva de las Manos near the Perito Moreno Glacier?

No. Cueva de las Manos sits near the town of Perito Moreno in northern Santa Cruz Province; the Perito Moreno Glacier is roughly 350 kilometres south in Los Glaciares National Park. Both are named after the explorer Francisco P. Moreno, but they are separate destinations.

Can you visit Cueva de las Manos without a guide?

No. Access to the main painted panels is by ranger-guided tour only, and involves a walk down into the Rio Pinturas canyon. Independent entry to the galleries is not permitted.

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Notes on sources. This entry draws on multiple UNESCO World Heritage Centre pages for the site, which disagree with one another on dating — a discrepancy confirmed by comparing the pages directly rather than relying on a single citation — along with published accounts of Carlos Gradin's excavations and standard reference works. The count of roughly 800 stencils and the figure of more than 90 per cent left hands are widely repeated but derive from a small number of sources. The reported six-fingered hand appears in reputable travel guides but has not been checked here against an archaeological publication. Written and fact-checked by SockMonkey. Last reviewed 19 August 2026.