Bastione di Saint Remy and Castello
60–120 min · Exterior and district free; exhibitions may be paid
Climb from the Marina to Cagliari's monumental limestone bastion and panoramic Umberto I terrace, then wander the fortified hill district's narrow lanes and viewpoints.
Moderate — steep ascent, steps and paving
The outdoor district is always accessible. Interior galleries, covered promenade and lifts have separate schedules or closures; check the municipal listings.