Cueva de las Manos probably made by submerging their hunting bolas in ink, and then throwing them up. The binder is unknown but the mineral pigments include iron oxides, producing reds and purples; kaolin, producing white; natrojarosite, producing yellow; and manganese oxide, which makes black. Carlos J. Gradin has studied the cave. Cueva de las Manos has been listed as a World Heritage Site since 1999. Cueva de las Manos Cueva de las Manos (Spanish for Cave of Hands) is a cave or a series of caves located in the province of Santa Cruz, Argentina, south of the town of Perito Moreno. It is
Cueva de las Manos the wall of the cave to create silhouettes of hands. The site was last inhabited around 700 AD, possibly by ancestors of the Tehuelche people. It was entered on the UNESCO World Heritage List in 1999. The cave lies in the valley of the Pinturas River, in an isolated spot in the Patagonian landscape. It is most easily reached by a gravel road, which leaves Ruta 40 north of Bajo Caracoles and runs northeast to the south side of the Pinturas Canyon. The north side of the canyon can also be reached by rough, but shorter, roads from Ruta 40.