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Updated: 12/10/2026
자연 명소와 공원Algarve

Ria Formosa

A coastal lagoon system in the Algarve, with islands, salt marshes and a rich variety of birds.

The Ria Formosa lagoon seen from the Ludo trail

Along the eastern Algarve, the Ria Formosa forms a labyrinth of lagoons, islands and salt marshes between Faro and the sea. It is one of the most important wetland areas in Portugal, a haven for birds and a place of quiet beaches reached only by boat.

A lagoon between land and sea

The Ria is a system of barrier islands and peninsulas that shelter shallow channels and marshes from the Atlantic. Its waters are rich in life, including seahorses and shellfish, and its islands — such as Faro, Deserta and Culatra — have long, empty beaches. The area is a natural park and a Ramsar wetland.

What to see and do

  • Boat trips to the islands and along the channels.
  • The island beaches, reached by ferry or water taxi.
  • Birdwatching, especially along the Ludo and Quinta do Lago trails.
  • Walking and cycling beside the marshes.

Visiting the Ria

The Ria Formosa stretches along the coast from Faro towards Tavira. Access to the mainland trails is free; boat services to the islands run from Faro, Olhão and other towns, so check times and any restrictions before your visit.

Visitor information: icnf.pt.

Image credit: Ria Formosa, by Kritzolina, CC BY-SA 4.0, via Wikimedia Commons.