Cuzco is a city in Peru.
Towards Puerto Maldonado
Near the terminal of the bus cross the railway and take a bus to hospital regional. From there you can take a bus to Urcos for 3 soles. In Urcos walk up from the police station and you will get to the road where departs Cisterna trucks for Puerto Maldonado, they will charge you 25 to 30 soles that is cheaper that the bus ride. You will travel on the roof or on the back of the truck so bring with you a sleeping bag cause in the night is quite cold.