8 nature parks to discover in the heart of Portugal
There’s more to Portugal than its historic cities and sun-drenched beaches. The country is also home to some exceptional natural areas, where flora and fauna flourish in breathtaking landscapes. From rugged mountains to wild coastlines and verdant valleys, these parks offer a total immersion in Portuguese nature. Get your hiking boots ready and set off to discover these natural gems that will delight lovers of the great outdoors.
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1. Peneda-Gerês National Park
Portugal’s only national park, the Peneda-Gerês is a must-see for wilderness enthusiasts. Created in 1971, this area of over 72,000 hectares stretches along the border with Spain, in the former province of Minho. The landscapes here are exceptionally diverse: jagged granite mountains, lush green valleys carpeted with holly and oak forests, spectacular waterfalls and crystal-clear high altitude lakes.
The park’s biodiversity is remarkable. You can see the Iberian wolf, the territory’s emblematic species, as well as wild Garrano horses, Barro cattle and the famous Castro Laboreiro dogs. The flora includes endemic species such as the Gerês lily. Hiking enthusiasts will be delighted by the many trails that criss-cross the park, including the ancient Roman road Geira, dotted with milestones. Don’t miss the Tahiti waterfalls, the Caniçada lake and the Gerês thermal baths for a well-deserved break.
The park also boasts a rich cultural heritage, with traditional villages, centuries-old monasteries and medieval castles blending harmoniously into the mountain landscape.
2. Serra da Estrela Natural Park

Welcome to Portugal’s largest protected area! Created in 1976, the Serra da Estrela Natural Park covers almost 89,000 hectares and is home to the highest point in mainland Portugal at 1,993 metres. This granite massif, shaped by the last ice age 30,000 years ago, offers breathtakingly beautiful landscapes: high plateaux, glacial lakes, deep valleys and spectacular rock formations.
The Serra da Estrela is the only place in Portugal where you can see plenty of snow in winter, and is home to the country’s only ski resort. In summer, the landscapes take on a thousand shades of green, providing ideal conditions for hiking. Don’t miss the famous route of the 25 lakes, a spectacular itinerary that takes you through some of the most beautiful glacial lakes in the massif. The Poço do Inferno, an impressive waterfall near Manteigas, and the mysterious Covão dos Conchos lake with its strange circular hole are among the must-see sites.
The park also boasts a rich cultural heritage, with traditional stone villages where the famous Serra da Estrela cheese, one of Portugal’s finest cheeses, is produced.
3. Douro International Nature Park
Created in 1998, the Douro International Nature Park stretches for almost 120 kilometres along the Douro River, which marks the border between Portugal and Spain. This wild and unspoilt area offers spectacular scenery of deep canyons carved by the river into the granite plateau, creating vertiginous cliffs rising up to 200 metres high.
The park is a birdwatcher’s paradise. It is home to one of Europe’s largest populations of birds of prey, including golden eagles, griffon vultures, peregrine falcons and the rare Egyptian vulture, the park’s emblem. Hiking enthusiasts will love the many paths that wind through the steep landscapes, offering breathtaking views of the meandering Douro.
A cruise on the Douro is an excellent way to discover the park from a different angle, admiring the imposing cliffs from the river. Don’t forget to stop off at the strategically placed viewpoints in the park to take full advantage of the spectacular views. If you want to explore the region further, consider visiting Porto and its famous wine valley.
4. Sintra-Cascais Natural Park

Just a few kilometres from Lisbon, the Sintra-Cascais Natural Park has been protecting an exceptional coastline since 1994, stretching over 145 square kilometres between the municipalities of Sintra and Cascais. This unique area harmoniously combines mountains covered in lush vegetation, steep cliffs plunging into the Atlantic Ocean and secret beaches lined with wild dunes.
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The highlight of the park is undoubtedly Cabo da Roca, the most westerly point on the European continent, where vertiginous 140-metre-high cliffs offer an imposing spectacle against the immensity of the ocean. The picturesque village of Azenhas do Mar, with its white houses perched on top of a cliff, seems to defy the laws of gravity. The park’s beaches, such as Praia Grande, popular with surfers, and the secret Praia da Ursa, accessible only on foot, promise unforgettable moments.
A 10-kilometre cycle path runs along the coast between Guincho and Cascais, offering exceptional panoramic views. The park is also home to some remarkable birdlife, notably on the rocks of Cabo Raso, as well as several historic lighthouses bearing witness to the region’s maritime past. Don’t hesitate to combine your visit with a visit to Sintra, a UNESCO World Heritage Site.
5. Arrábida Natural Park
Just 40 kilometres south of Lisbon, the Arrábida Natural Park stretches over 10,800 hectares between Setúbal and the fishing village of Sesimbra. This exceptional area is characterised by a chain of limestone hills covered with lush Mediterranean vegetation, which plunges directly into the turquoise waters of the Atlantic Ocean, creating a striking contrast.
The park boasts a particularly mild climate and vegetation that is unique in Portugal, with a rare Mediterranean maquis sheltering endemic species. The park’s beaches are among the most beautiful in the country: Portinho da Arrábida, Figueirinha and Galapos offer crystal-clear waters in unspoilt surroundings. From the top of the Serra do Risco, the highest marine cliff in continental Europe at 380 metres, the panorama of the ocean is simply breathtaking.
Thrill-seekers can go caving, scuba diving in the translucent waters or climbing the limestone cliffs. The oceanographic museum near Portinho is also well worth a visit to gain a better understanding of the region’s marine ecosystem. Let yourself be guided through Portugal’s natural wonders and also explore Lisbon ‘s cultural riches during your stay.
6. The South-West Alentejano and Costa Vicentina Natural Park

Stretching over 75,000 hectares along the south-west coast of Portugal, this park, created in 1988, protects one of the best preserved stretches of coastline in Europe. From Porto Covo in the north to Cape St Vincent in the south, almost 100 kilometres of wild and spectacular coastline unfold, alternating between sheer cliffs, secret coves and immaculate beaches battered by the Atlantic waves.
The park’s exceptional biodiversity attracts botanists and zoologists from all over the world. There are more than 750 plant species, including around twenty endemics such as Biscutella vicentina and Plantago almogravensis. The fauna is not to be outdone: sea otters, white storks and the rare fish eagle rub shoulders with a multitude of migratory birds that stop off on these coasts.
The park’s beaches have become world-renowned surfing spots. Porto Covo, Arrifana, Amado and Monte Clérigo attract surfers looking for powerful waves in unspoilt natural surroundings. Access to some of the beaches can be difficult, but their relative inaccessibility guarantees their wild and authentic character. Be sure to visit Cape St Vincent and Sagres Point, steeped in history and offering unforgettable sunsets.
7. Montesinho Natural Park
On the edge of north-east Portugal, on the border with Spain, the Montesinho Natural Park unfurls its 75,000 hectares of wild, unspoilt nature. Recognised as a nature park in 1979, this mountainous territory remains one of the most remote and authentic areas in Europe, where time seems to have stood still.
The Coroa (1,273 metres) and Montesinho (1,486 metres) mountain ranges form a landscape of raw beauty, alternating between high plateaux, green valleys and dense forests of oak and chestnut trees over a hundred years old. The fauna here is particularly rich: deer, wild boar, Iberian wolves and many species of bird of prey find refuge in these unspoilt lands.
The park is also notable for its traditional schist villages, where the locals perpetuate an ancestral way of life. The rural architecture, communal bread ovens and age-old customs offer a fascinating journey back in time. The hiking trails are a great way to discover this little-known region, with its breathtaking landscapes and authentic encounters. The proximity of Bragança, a historic fortified town, adds cultural interest to a visit to the park.
8. Ria Formosa Natural Park

On the east coast of the Algarve, the Ria Formosa Natural Park has been protecting an exceptional lagoon system since 1987, stretching over 60 kilometres and covering 18,000 hectares. This aquatic labyrinth, unique in Europe, is a fascinating transition zone between land and sea, made up of barrier islands, channels, salt marshes and mudflats that change with the tides.
The biological wealth of the Ria Formosa is staggering. This site of international importance for birds is home to over 200 species of migratory birds, including flamingos, white spoonbills and white stilts. The shallow waters are also home to seahorses, chameleons and a wide variety of fish and crustaceans.
The Marim Environmental Education Centre is the ideal starting point for discovering the park through its walking trails and observatories. The islands of the Ria Formosa – Faro Island, Barreta Island (also known as Desert Island), Culatra Island, Armona Island and Tavira Island – are accessible by boat and offer magnificent beaches far from the tourist hustle and bustle. A trip in a traditional boat allows you to observe the ancestral activities of fishing, salt extraction and shellfish gathering that have been going on for centuries. The charming village of Cacela Velha, with its fortress and white houses, is also worth a visit for its preserved authenticity.
In conclusion, Portugal’s nature parks are must-see destinations for all lovers of nature and wide open spaces. From the majestic mountains of the Serra da Estrela to the heavenly lagoons of the Ria Formosa and the wild coastline of the Alentejo, these protected areas reveal the exceptional diversity of Portugal’s landscapes. Whether you’re a keen hiker, an amateur birdwatcher or simply looking for a change of scenery and authenticity, these eight parks promise unforgettable experiences in the heart of unspoilt nature. Don’t hesitate to combine your discovery of these natural areas with a visit to Portugal’s emblematic cities, such as Porto, Coimbra and Lisbon, which are easily accessible thanks to the Navaway audioguide tours, allowing you to explore these urban gems on foot and in complete autonomy.
FAQ : Portugal’s nature parks
When is the best time to visit Portugal’s nature parks?
Spring (April to June) and autumn (September to October) are the ideal times to discover Portugal’s nature parks. Temperatures are pleasant, nature is lush in spring and the autumn colours are magnificent. Summer can be very hot in some parks, particularly in the south. Winter is perfect for the Serra da Estrela if you want to see snow.
Do you have to pay to visit Portugal’s nature parks?
Access to Portuguese nature parks is generally free. However, some specific activities, such as guided tours, access to certain interpretation centres or developed sites, may be subject to a charge. Parking may also be subject to a charge in certain busy areas.
Can I see wild animals in Portugal’s nature parks?
Yes, Portugal’s nature parks are home to a rich and varied fauna. The Iberian wolf can be seen in the Peneda-Gerês and Montesinho (although rare), many birds of prey including the golden eagle in the Douro International, wild garrano horses, deer and a multitude of migratory birds, particularly in the Ria Formosa. Sightings are most frequent early in the morning or at the end of the day.
Are Portugal’s nature parks suitable for families with children?
Absolutely! Most parks offer trails of varying degrees of difficulty, some of which are perfectly suited to families. Short, easy routes allow children to discover nature in complete safety. The Ria Formosa park, with its beaches and boat trips, and the Serra da Estrela, with its lakes and spectacular scenery, are particularly popular with families.
Can you camp in Portugal’s nature parks?
Wild camping is generally prohibited in Portuguese nature parks for environmental protection reasons. However, official campsites and equipped bivouac areas are available near or within certain parks. It is advisable to check with park information centres to find out which accommodation options are permitted.
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