The official currency is Nuevo Sol (PEN) divided into 100 céntimos. In Inkaterra Machu Picchu major credit card payments are accepted. There are no facilities to exchange Travelers’ cheques thus travelers are advised to have cash (in Soles) on hand as foreign currency exchange is limited.
It is advisable to exchange to Soles before coming to the Machu Picchu though payment is accepted in both US Dollars and/or in Soles. Automated Teller Machines (ATMs) are mostly available only in the main cities.