One day
Start in Miraflores with a walk along the Malecón clifftops and the Parque del Amor, and see the Huaca Pucllana pyramid. Have ceviche for lunch at a good cevichería, spend the afternoon in the colonial centre at the Plaza Mayor and the San Francisco catacombs, then head to Barranco for the Bridge of Sighs, dinner and pisco sours.