Castelo Mouro de Aljezur
Perched on a rocky hill above the old town, Aljezur's 10th-century Moorish castle is the town's defining silhouette — and the climb rewards you with one of the widest panoramas on the western Algarve. The ruins are raw and romantic, a crumbling wall and tower framed by wildflowers and Atlantic light.
A Fortress That Shaped a Town
Aljezur owes its very name to the Moors: the Arabic al-jazair, meaning 'islands' or 'peninsula', was given to the settlement they founded here in the 10th century. The castle — Castelo Mouro de Aljezur — rose at the same time, commanding the surrounding valleys and river estuary below.
Portugal captured the town in 1249, but the castle's bones have endured. It is even said to be one of the fortresses represented on the Portuguese national flag, lending the ruins an outsized historical weight for such a quiet hilltop.
The Climb and the View
The path up winds through the partially pedestrianised old quarter, past steep cobbled lanes and whitewashed houses that feel unchanged for centuries. At the summit, the remains of the keep open onto sweeping views across terracotta rooftops, green river valleys, and on clear days, a glint of the Atlantic on the horizon.
From the top you can also spot the sweet-potato fields that carpet the flatlands below — a living reminder that Aljezur's story is as much agricultural as it is martial. Descend via the Igreja da Misericórdia and the Igreja Matriz de Nossa Senhora da Alva for a complete loop of the old town.
Castelo Mouro de Aljezur on video
More of Aljezur
Discover where to stay, what to do and the best deals for your trip.
Explore Aljezur →