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Discover Terceira Island’s volcanic caves, calderas, natural pools, and taste volcanic wine on this 4-hour private tour with expert guides in the Azores.


This private tour of Terceira Island’s caves and volcanic sites offers an immersive experience into the island’s volcanic origins. It lasts around 4 hours and is suitable for groups seeking a personalized adventure. The tour departs from Angra do Heroísmo, the island’s historic capital, providing quick access to some of the most stunning geological features.
With a focus on majestically formed calderas, lava tubes, and the unique Algar do Carvão volcano, this experience highlights the island’s volcanic power. Travelers learn about Terceira’s formation as guides explain the geological processes that shaped the landscape over millennia. The tour is tailored to those interested in natural wonders, geology, and local flavors, with a special highlight being the tasting of exquisite volcanic wine.
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The journey begins with scenic drives between volcanic mountains and plains, giving a sense of the island’s primal energy. The stop at Lagoa das Patas provides a quick but picturesque 15-minute visit to this volcanic crater lake, offering excellent photo opportunities.
Next, travelers head to the Piscinas Naturais de Biscoitos, where basaltic lava has created natural pools. Over 25 minutes, visitors can enjoy the sight of these calm, clear waters nestled among black volcanic rocks—an ideal spot to appreciate the island’s volcanic terrain in a tranquil setting.

A key highlight is the wine tasting session lasting about 25 minutes at a local winery. The volcanic soil of Terceira contributes distinct flavors to the wines produced here, making the tasting both informative and delicious. This visit offers insight into how volcanic geology influences local agriculture and wine quality.
The tour includes tickets to the winery, allowing guests to sample different varieties that spring from this fertile, lava-rich land. It’s a unique chance to experience Terceira’s wine culture directly linked to its volcanic landscape.

The guided tour of Gruta Natal, lasting roughly 25 minutes, introduces visitors to one of the island’s accessible volcanic caves. The cave’s formations are part of the island’s volcanic history, and the guide shares insights into the lava flow and mineral deposits visible inside.
Note that Algar do Carvão, one of the island’s most famous volcanic caves, is temporarily closed as of October 19, 2024. As a replacement, this tour includes a visit to Furnas do Enxofre, which still offers a fascinating underground experience. This change ensures that visitors still enjoy an impressive volcanic cave exploration.
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Previously, Algar do Carvão offered the rare opportunity to walk inside a visitable volcano. Visitors could descend into its depths, marveling at impressive stalactites, stalagmites, and volcanic formations. While this part of the tour is temporarily unavailable, the substitution to Furnas do Enxofre maintains a high-quality underground experience, showcasing Terceira’s volcanic activity.
The guided tour inside the volcanic crater lasts about 30 minutes and offers fascinating geological features, emphasizing the island’s volcanic power. The guide provides contextual stories and details about the formation of such spectacular caves.
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Throughout the journey, the Miradouro das Veredas is passed by, offering sweeping views over the island’s landscape. Although no stop is scheduled here, the viewpoint provides excellent photo opportunities of the island’s volcanic terrain and lush surroundings.
The final stop before returning is at Angra do Heroísmo, where guests are picked up and dropped off. This charming town complements the volcanic adventure with its historic charm and picturesque streets.

The tour includes pickup from Angra do Heroísmo, though pickups outside the central area incur an extra fee. It operates as a private group experience, ensuring personalized attention from guides who speak English and Portuguese.
Booking allows free cancellation up to 24 hours in advance, providing flexibility for travelers’ plans. You only pay after reserving your spot, making it easy to plan ahead without financial risk.

This private experience is perfect for geology enthusiasts, wine lovers, and those who prefer a comfortable, guided exploration over self-driving. It’s particularly suitable for people looking for a shorter, focused tour that covers key volcanic sites and local flavors.
However, the tour not suitable for individuals with back problems, mobility impairments, or claustrophobia due to the nature of cave visits and walking routes. Participants should wear comfortable shoes and inform organizers of any food restrictions.

This 4-hour private tour offers a well-rounded sample of Terceira’s volcanic wonders, combining geological exploration with wine tasting and scenic views. The expert guides receive high praise for their knowledge, humor, and ability to make the experience enjoyable and educational.
Despite the temporary closure of Algar do Carvão, the substitution to Furnas do Enxofre ensures that the underground adventure remains memorable. The tour’s personalized approach and included tickets to key sites make it a value-packed choice for travelers eager to understand and appreciate the island’s volcanic identity.
If you seek a relaxed, informative, and scenic way to explore Terceira’s volcanic heart, this tour delivers a satisfying blend of natural beauty, geological marvels, and local flavors.
“AMAZING tour around Terceira with Ana!! My mom, my sister and I decided to forgo renting a car and instead took a guided tour to some spots on the …”
How long does the tour last?
The tour lasts approximately 4 hours.
What are the main highlights?
Highlights include calderas, lava tubes, natural pools at Biscoitos, and volcanic wine tasting.
Is Algar do Carvão included?
Currently, Algar do Carvão is temporarily closed; the tour visits Furnas do Enxofre instead.
What should I bring?
Comfortable shoes are recommended for walking and exploring caves.
Are there any physical restrictions?
The tour not suitable for people with back problems, mobility issues, or claustrophobia.
Do I need to pay extra for pickups outside Angra do Heroísmo?
Yes, pickups outside the central area are subject to an extra fee.
Can I cancel the tour?
Yes, full refund is available if you cancel up to 24 hours in advance.
Is this a private experience?
Yes, it is offered as a private group for a more personalized journey.
How is the guide?
Guides are praised for their knowledge, humor, and driving skills, making the tour both fun and informative.
What languages are spoken?
Guides speak English and Portuguese.