Pedro del Castillo
Pedro del Castillo (1521 - 28 March 1569) was a Spanish conquistador.
He was born at Villalba de Rioja.
In November 1560 he was appointed by the governor of Chile, García Hurtado de Mendoza, as capitán general y teniente gobernador para poblar, fundar, repartir tierras y encomendar indios en la provincia de Cuyo (commander-in-chief and plenipotentiary for the province of Cuyo), in what is now eastern Argentina. Castillo organized and expedition which crossed the Andes, passing through the Aconcagua and Uspallata velleys, reaching the Huentata valley on 22 February.
- "When Pedro del Castillo founded Mendoza" (in Spanish). Retrieved 12 September 2010.