Where is the rock climbing?
Around Mendoza there are many bolted routes in Cacheuta, Cacheuta Sur, and El Salto. The Expresso Uspallata Bus that leaves from the Terminal del Sol will take you to any of these destinations. However, if you want to see the local rock paradise, you should go to Los Arenales. Take a bus from the Terminal del Sol to Tunuyán. On the weekends you can take another bus from Tunuyán to El Manzano histórico.