Start with coffee and pastel de nata at Café Santa Cruz, climb the cramped streets to University of Coimbra's main quad for views, lunch at a tascaPortuguesa tucked into an alley, then spend afternoon in Machado de Castro Museum. As night falls, drift toward bars on Rua Ferreira Borges and Praça 8 de Maio where student crowds gather until 2 AM.

Start with coffee and a pastry at Pastelaria Académica, then walk (uphill) to the Convent of Santa Clara-a-Velha ruins for riverside views. Lunch at a tascaria on Rua Fernandes Tomás, explore the neighbourhood's narrow streets and tile-fronted houses, then settle into a wine bar like Adega Paço do Conde for dinner and local conversation into the evening.

Start with coffee at Café Santa Cruz, climb the steep Rua Ferreira Borges to catch Coimbra University's Neo-Classical courtyard in morning light. Lunch at a tascas (worker's cafeteria) near Praça do Comércio, then explore the Cathedral and Museu Nacional Machado de Castro. By evening, post yourself at a taberna on Praça da República and watch the city rewire itself for nightlife.