From Arequipa you can rent a car, visit a travel agency to help you get private transportation or you may take the bus. This last option is the cheapest one. To do this, go to "El terminal terrestre de Arequipa" and buy your ticket at "Transportes Del Carpio". The cost of the ticket is $3 and the final point of arrival is Aplao; from there, take a taxi to the hotel Majes River, which will cost you $3.