If you intend to return home via Pau/Lourdes, think about this route because it avoids having to pass via Irun. You might have to sleep a night in. Selectividad is the popular name given to the Spanish University Access Tests (" Prueba de Acceso a la Universidad", P.A.U.), a non-compulsory exam taken by. Get Pau to Lisbon travel duration, driving direction with timings & rates.