Salta is a city in Argentina.
South towards Cafayate
Take bus #5 (without letters) from Av. San Martin, near Parque San Martin to village Cerrillos (6.30 pesos) or to El Carril (Chicoana) or even to Coronel Moldes, buses have additional notes on their windshield with their route, you need a transports' card "Saeta" or use somebody's card and give them cash. Get off the bus at the end of the village, find a good place for hitchhiking. There are a lots of local transport or full cars so be patient and use all capabilities to move forward.
Other useful info
To pay in the city- and suburban buses you need a transports' card "Saeta" or use somebody's card and give them cash.