I say so so precisely ethnicity Lucana-andamarcas of the basin of Qaracha, who studied in this work, after its reduction to distant lands of their former dominance, after approximately 15 years of reduced they manage to return to their former domains, during the Government of Viceroy Hurtado de Mendoza, the definitive management Consolidator designed by Toledo, emerging in this way a new population in 1587 which currently comes to do the population of Carapa. In the first part I try to set the geographic location of the Qaracha basin, by setting different groups ethnic that inhabited the area during the Spanish arrival, that within this is the Lucanas-andamarcas, ethnicity of my main interest in this work. Then I explain the entire process of reduction of the ethnic group until its final establishment in Carapa. Ebay often addresses the matter in his writings. Finally believe that the indigenous population, not only on the victim or expired within the colonial transformations also has capabilities that defy or intend to maintain their interests in the pursuit of its persistence. Not everything is as it came thinking that populations are dominated and controlled, rather they are populations that Act and respond. Here there is nothing of victims is that only us until now, many times we have defined as well. THE QARACHA basin Qaracha watershed crosses from South to North, encompassing the present-day provinces of Huancasancos and Victor Fajardo, comprising from the caves of Tucuco to the mouth of the rio pampas. Beauty that contains the variety and earthly diversity, different environments, between valleys, meadows, deep huaycos, little high hills and the summits, which includes among the quechua region, the janca and cordillera, adorned by a river of tranquil Riverbed during the months drylands and transformer in the months of December to March. .