Exploring Sao Miguel Island, the largest and most diverse in the Azores archipelago, is like stepping into a world where nature still sets the rules. Known as the “Green Island,” this volcanic paradise in the middle of the Atlantic offers a rare combination of deep calderas, steaming thermal waters, endless pastures, and a dramatic coastline.
If you are planning a trip, get ready: Sao Miguel is not just seen with the eyes, it is felt with all the senses. Below is a detailed guide divided by regions to ensure you don’t miss any of the treasures of this magical island.
1. The Southwest: Sete Cidades and the Azores Icon
The Sete Cidades area is undoubtedly Portugal’s ultimate postcard. Located in a volcanic massif at the western end, this area is defined by a gigantic caldera housing two twin lakes of different colors—an essential scenery for anyone looking for what to do in Sao Miguel Island.
Vista do Rei Viewpoint
This is a mandatory stop. From here, you get the classic view of the Blue Lake (Lagoa Azul) and the Green Lake (Lagoa Verde). Legend says the colors were born from the tears of a princess and a shepherd who were forced apart. Technically, the color difference is due to the depth and the reflection of light on the surrounding vegetation.
Boca do Inferno Viewpoint and Lagoa do Canário
Many tourists make the mistake of only visiting Vista do Rei. However, the Boca do Inferno Viewpoint (accessible through the Lagoa do Canário Park) offers the most spectacular view of the island. From here, you can see several craters and lakes at once, with the ocean in the background.
Ponta da Ferraria: The Ocean SPA
Head down to the coast to find Ponta da Ferraria. Here, underwater thermal springs heat the sea inside a natural basalt rock pool. It is a unique experience: swimming in the Atlantic with water temperatures reaching 30°C (86°F).
- Travel Tip: Check the tide table. The ideal time is during low or mid-tide; at high tide, the cold ocean water cancels out the heat from the volcanic springs.
2. The Center: Lagoa do Fogo and the North Coast
The center of the island is dominated by the Água de Pau volcano, where the highest and wildest lake in Sao Miguel rests.
Lagoa do Fogo (Fire Lake)
Lagoa do Fogo is often considered the most beautiful because it remains untouched by human intervention. There are no houses or roads on its shores, only white sand and endemic Azores vegetation.
- Access Note: During the summer months, access by private car is restricted; you must use the official shuttle service to visit the viewpoints.
Caldeira Velha
On the slopes of the same volcano, you will find Caldeira Velha. This Natural Monument is a prehistoric garden with giant tree ferns and hot iron-rich waterfalls where you can bathe in the heart of nature.
Ribeira Grande
The largest city on the north coast deserves a long visit. Featuring distinct Baroque architecture, Ribeira Grande is famous for Santa Bárbara Beach (a surfer’s paradise) and the Mulher de Capote Liqueur Factory.
3. Furnas: Where the Earth “Breathes”
Furnas is the epicenter of geothermal activity in the Azores. Here, the feeling of living on top of an active volcano is constant.
The Caldeiras and the “Cozido”
In the village and by the shores of Furnas Lake, you will find fumaroles and boiling water springs. This is where the famous Cozido das Furnas is prepared—a stew buried in the ground and cooked for about 6 hours using only volcanic heat.
Terra Nostra Park
This is one of the most stunning botanical gardens in Europe. The highlight is the Thermal Tank—a huge pool of iron-rich water at a constant temperature of 38°C (100°F).
Poça da Dona Beija
For a more intimate setting, Poça da Dona Beija offers five pools of flowing thermal water, making it a magical place to visit at nightfall.
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4. The Northeast: The Garden of the Island
The Northeast (Nordeste) is famous for its impeccably maintained viewpoints and exuberant nature.
- Ribeira dos Caldeirões: A natural park with waterfalls and restored water mills.
- Ponta do Sossego Viewpoint: Considered one of the most beautiful gardens in the Azores, with incredible views over the cliffs.
- Arnel Lighthouse: The oldest lighthouse in the Azores, located on a dramatic slope overlooking the sea.
5. Vila Franca do Campo and the Islet
Vila Franca do Campo is home to the famous Vila Franca Islet, a submerged volcanic crater that forms a perfectly circular natural swimming pool. It is the ideal spot for snorkeling during the summer months.
6. Ponta Delgada: Culture and Tradition
The capital of Sao Miguel blends historical charm with Atlantic modernity. Don’t miss the City Gates (Portas da Cidade) and the Graça Market.
- Pineapple Plantations: Sao Miguel is the only place in the world where pineapples are grown in glass greenhouses—a unique process you can visit in Ponta Delgada.
7. Gastronomy and Tea: Unique Flavors
Your visit to Sao Miguel Island is not complete without experiencing its rich gastronomy:
- Gorreana Tea Factory: Visit the oldest tea plantation in Europe.
- Regional Steak (Bife à Regional): Azorean grass-fed beef is world-famous for its superior quality.
- Queijadas da Vila: The most traditional sweet from Vila Franca do Campo.
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