The documentation of Prehistoric rockwall art is one of the most interesting and developed applications of 3D scanning, since it allows to obtain high resolution documentation of this kind of manifestations. However, in spite of the generalization of these kinds of applications, it is still an expensive technology beyond the funding possibilities of many research projects. However, alternative low-cost methods can be implemented in order to provide small projects with funding limitations with this kind of documentation. In this poster, we present the methodology used for documenting the Paleolithic rock wall paintings from El Niño cave (Ayna, Spain). Using a total station, digital photo camera and the ArcGIS software, a 3D photogrammetric reconstruction of these paintings was made, despite the limited funds available. This reconstruction provides a useful documentation for Paleolithic paintings analyses and heritage management, as well as a valuable tool for the popularization of Paleolithic rock wall paintings.
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