Palaeolithic rock art in Portugal

Palaeolithic rock art constitutes the oldest known artistic testimony in Portuguese territory. Produced during the Upper Palaeolithic, between roughly 30,000 and 10,000 years ago, it takes the form of figures engraved and painted on rock — chiefly animals — that document the symbolic universe of the communities of hunter-gatherers who then ranged across the Iberian Peninsula. In Portugal, this art survives in two distinct contexts: in the open air, on schist outcrops beside watercourses, and inside caves, on limestone walls.

In the open air: the Côa Valley

The great landmark of Portuguese Palaeolithic rock art is the assemblage of engravings in the Côa Valley, identified in 1994 by the archaeologist Nélson Rebanda during the preliminary works for the construction of a dam. The discovery sparked an intense public controversy — the so-called “Foz Côa affair” — which culminated in the suspension of the works and the creation of the Côa Valley Archaeological Park. The engravings were classified as a National Monument in 1997 and inscribed on the UNESCO World Heritage list in 1998.

Distributed across dozens of clusters along the banks of the river Côa, the figures were executed on schist panels through pecking, incision and abrasion. The Palaeolithic repertoire is essentially animalistic: horses, aurochs, deer and ibex, sometimes superimposed and making use of so-called “twisted perspective”. The archaeological investigation of the Côa further revealed that occupation of the valley extended over millennia, with art of later periods coexisting with the Palaeolithic.

The exceptional character of the Côa lies less in the antiquity of each figure than in its open-air concentration: it is the largest known assemblage of Palaeolithic art not confined to a rock shelter or cave.

Not far from the Côa, at Mazouco, in the municipality of Freixo de Espada à Cinta, the first open-air station of Palaeolithic art recognised in Portugal had already been identified in 1981. The celebrated horse of Mazouco, engraved on a granite outcrop, anticipated by more than a decade the revelation of the potential of this kind of art in north-eastern Trás-os-Montes.

In a cave: the Escoural

The only Portuguese site with Palaeolithic art in a cave setting is the Gruta do Escoural, at Santiago do Escoural, in the municipality of Montemor-o-Novo, in the Alentejo. The cavity was revealed in 1963 by an explosion in a marble quarry, exposing a space that had preserved traces of very ancient human occupation. On its walls more than a hundred engravings and paintings attributed to the Upper Palaeolithic have been inventoried, with representations of horses and cattle alongside geometric and enigmatic signs.

The Escoural is frequently presented as the Portuguese equivalent, on a smaller scale, of the great decorated Franco-Cantabrian caves such as Lascaux or Altamira. Its singularity makes it a fundamental piece for understanding that, on the Atlantic edge of the Peninsula too, parietal cave art accompanied the tradition of open-air art.

Meaning and interpretation

The coexistence of open-air and cave art makes Portugal a privileged case study for Palaeolithic art. The predominance of large herbivores, the recurrence of certain species and the deliberate choice of supports point to structured symbolic practices, even if their precise meaning remains under debate — among hypotheses of a magico-religious, territorial or social nature. More than illustrating daily life, these images seem to inscribe in the landscape a prolonged relationship between human communities and the animals that shared their world.

The conservation of these assemblages poses particular challenges: in the open air, erosion, floods and light pollution; in caves, the fragility of the microclimate. Continued study, rigorous documentation and the musealisation of the sites — which can be visited under controlled conditions — ensure that this heritage, among the oldest in western Europe, remains accessible to knowledge without compromising its preservation.