Mértola Castle
A medieval castle on the highest point of the town, with a keep and wide views over the Guadiana.
Key spots worth your time — with practical info to plan fast.
A medieval castle on the highest point of the town, with a keep and wide views over the Guadiana.
A 12th-century mosque turned into a church, with its forest of columns and the original mihrab.
One of the best collections of Islamic ceramics and objects in Portugal, part of the museum town.
Verified: 2026-04-06
A viewpoint on the old walls looking down on the river, the old port and the bridge.
Verified: 2026-04-06
An abandoned copper mine with red and ochre landscapes, an old mining village and a river beach nearby.
A dramatic waterfall where the Guadiana rushes through a narrow rocky gorge, in the Guadiana Valley Natural Park.