Funicular to Petřín is a popular tourist attraction. It is included in the PID system, therefore all Prague public transport tickets can be used. The lowest station Újezd can be reached by tram lines 9, 12, 15, 20 or 22 and 23. The funicular is operated for the whole year, only in spring and in autumn it is interrupted for approximately three weeks inspection.
Check out the timetable.