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Geology private full day tour

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Overview

Available languages

Portuguese
English
Spanish

Mobile ticket

Algar do Carvão is closed for constructions. Expecting opening on June 2026

Open (14:00 - 18:00 summer/ 14:30 - 17:30 winter). October-April close on Sun, Mon and Thursdays

Lets embark on a journey spanning 3.5 million years?

On this full-day tour, guided by a geologist, we will visit the most scenic points of interest, which just so happen to coincide with some of our most interesting geological features. We'll have the opportunity to explore concepts like vulcano-stratigraphy or polygenetic volcanoes. Along the way, we'll also discuss history and cultural heritage. Bring your swimsuit if you want to take a dip in one of the island’s famous natural swimming pools (weather permitting). And of course, we'll visit Gruta do Natal and Algar do Carvão.

By the end of the day, you’ll have a comprehensive understanding of the geological history and geodiversity of Terceira Island.

The experience is a fully customizable private tour, custom-made according to your personal needs and wishes.

Additional Info

Service animals allowed

Infants are required to sit on an adult’s lap

Not recommended for travelers with spinal injuries

Not recommended for travelers with poor cardiovascular health

Suitable for all physical fitness levels

Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

What‘s Included

Private tour

Hotel Pick up and drop off

Geologist expert guide

Tickets to Algar do Carvão - €10.00 and Gruta do Natal (Christmas cave) - €9.00. Combo ticket €15.00

Food and drinks

Meeting and Pickup

Pickup points

Hotel Do Caracol

Estrada Regional No. 1 Angra do Heroismo Portugal

Palacio Santa Catarina

Rua do Capiao Joao de Avila 51 Angra do Heroismo Portugal

Terceira Mar Hotel

Portoes de Sao Pedro, 1 Angra do Heroismo Portugal

What To Expect

1

Monte Brasil

Sightseeing

1 hour • Admission Not Applicable
2

Ribeirinha

Sightseeing, Scenic views on the way

30 minutes • Admission Not Applicable

Options

Geology private full day tour

Pickup included

Reviews

5.00

9 reviews

Total reviews and rating from Viator & Tripadvisor

9
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0
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  • Wonderful guide on Tericera

    sheridan B,

    Sep 16, 2025

    - Review from Viator

    5.00

    I went on a wonderful private tour with Ricardo. He was very easy to be around and talk to for my solo tour. He arrived on time with a very clean car. He took me to out of the way places for the very best views. We were even able to see mount Pico and Sao Jorge Island! He expertly explained the various volcanos and eruptions that formed the island along with other geological facts. He also explained the history of the island and local legends along with practical matters of common words, street signs and the way life on the island works. For lunch we went to a small family owned restaurant where I had excellent grilled octopus. We toured a cave where Ricardo expertly explained the various lava flows and structures. We ended at Monte Brazil. Ricardo was a wonderful guide and very cosiderate. I really wished I had an extra day to book another tour with Ricardo!! My next excursion was snorkeling and turns out I would have much preferred another day of touring with Ricardo. :-). I felt very welcomed on Tericera and this experience justed added to wanting to visit again!! Thanks so much Ricardo. I greatly appreciated your time, kindness and wonderful conversation. Sheridan

  • Geology and a lot more

    Trail420832,

    Sep 16, 2025

    - Review from Tripadvisor

    5.00

    Ricardo was an excellent guide and very knowledgeable about not only the island and its history and customs, but also is excited to share his knowledge of the geological information of the island. Recommend him highly

  • Exceptional tour with Ricardo

    J3852MOgiadam,

    Aug 30, 2025

    - Review from Tripadvisor

    5.00

    An unforgettable private tour! It'll be just you with Ricardo's company! Ricardo is an exquisite person, kind and a trained and professional guide. He took us around the whole island and showed us with new eyes, both from a geological point of view (quarries, volcanoes, fumaroles) and telling us about some really intriguing folk legends. We touched several scenic spots and well-known locations including the Biscoitos pools where he let us swim in peace. Ricardo is at complete disposal asking if there are different stages that you want to do. A beautiful day and we thank him again so much!! We highly recommend it!!

  • Solid 10/10: personal highlight of our trip!

    M9644KLmilenam,

    Jul 16, 2025

    - Review from Tripadvisor

    5.00

    This tour really helped us better understand the islands! Ricardo is super nice, helpful, and has incredible knowledge of the Azores – from geology and biology to history, life on the island, and even local religion. We (two students of geography and geology) would 100% recommend this experience! It was fascinating to see the different types of volcanic eruptions reflected in the layers of rock, and to explore the variety of lava formations inside the cave. Ricardo picked great spots that weren’t crowded with tourists and adapted the program to our interests and pace. He even managed to turn a traffic jam into a great experience by explaining the local festivities and giving us a peek at a Tourada à Corda: an unexpected highlight!

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  • Thanks for everything Ricardo!

    60bellad,

    Sep 15, 2024

    - Review from Tripadvisor

    5.00

    It was a wonderful day with Ricardo! We were wishfully happy while he showed us the most beautiful places on the island. We were able to create wonderful memories and captured them in photos. Ricardo was also a great Help center for the photos He knows so much about the island and its origins that you could listen to him all day. We had the opportunity to refresh ourselves in a natural pool, were at various vantage points, could visit a park with a waterfall, get to know the volcanic origin of the island better and much more . We visited a local restaurant and a cafe together. We really did get every wish. We would recommend Ricardo at any time and hope to do a tour with him again sometime. Thank you for the unforgettable day dear Ricardo!

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  • Geology+Hiking+Adventure+Natural Beauty… a Fantastic & Magical Volcanic Island Tour

    Jojin V,

    Jul 13, 2024

    - Review from Viator

    5.00

    If you are looking for an authentic and interdisciplinary island experience that combines the exquisite beauty of Terceira and site-seeking adventures with geological and historical knowledge then this is definitely the private tour for you! As a solo traveler this tour was wonderful way to get to know this “third” island of the Azores. Ricardo is a gentle soul and very knowledgeable geologist, sensitive to the natural world. He designed a tour for my interests. He was flexible throughout the day to add in stops and sites which addressed the ongoing conversation we had as we journeyed around the island in his comfortable vehicle. His thoughtfulness is evident in how he speaks about this green volcanic island. (He also makes sure you stay hydrated and eat.) If you inquire, he has good suggestions for local restaurants and activities. Through our discussion, I found out Ricardo offers additional Terceira-related tours. So at the end of the magical 9-hour tour, after experiencing craters valleys, seeing oceanside cliffs with lava layers, visiting two different types of volcanic caves, and hiking around a fumarolic field with volcanic gases steaming from the earth, I was able to book his 3-hour walking tour of historic Angra do Heroísmo. This second tour (on a different day) helped me understand how deeply Portuguese roots are embedded in this harbor city. We walked the labyrinthine streets, journeying through time, grounded in the architecture and seafaring stories. He shared key events which shaped this island, the Azores and Portuguese history. I look forward to returning to Terceira and hope take Ricardo’s sailing tour. I highly recommend Ricardo’s tours!

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  • Such a wonderful day discovering Terceira with Ricardo

    ermis2018,

    Jun 2, 2024

    - Review from Tripadvisor

    5.00

    I booked the full day tour with Ricardo, and when we left each other in the evening, it was like saying goodbye to a friend or a cousin. Ricardo is so nice and makes you feel so comfortable. He knows so many things and listening to him in a private tour is a unique experience. He is the type of companion who will carefully take in consideration your own interests or priorities, and he will not hesitate to adapt the tour during the day, to please you. I want to thank you so much Ricardo for the incredible time we had. You made me fall in love with Terceira, and if I come back, I will contact you for sure! Remi

  • Not your average tour - more stuff - less fluff.

    Goup211,

    Apr 28, 2024

    - Review from Tripadvisor

    5.00

    An incredible journey covering the past, present, and future geology of the Azores. Ricardo creates a customized experience for his customers. The tour was tailored to my level of interest and background and I’m so happy to leave the Azores having fulfilled one of my reasons for coming - to see and learn about volcanos. Every place we visited was carefully chosen and he accompanied me into the lava caves, pointing out things I would have missed. It was an experience tailored just for me and it was amazing. Another bonus is Ricardo specializes in private tours so all you solo travellers out there, Ricardo will not turn you away. Instead he will focus on creating a custom experience just for you!

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  • Not your average tour

    Goup211,

    Apr 28, 2024

    - Review from Tripadvisor

    5.00

    This tour was more than I could have hoped for. I was looking for an education on volcanos and Ricardo, being a trained geologist, was the perfect guide. He created a customized experience, carefully gauging my level of knowledge and questions and adapted to create the best tour ever. If you are looking for a fun and educational day learning about the geology there formed and continues to change the Azores - this is the tour for you. Ricardo welcomes solo travellers unlike some other mass tourist companies who don’t accommodate individual participants, and and will customize the experience based on you. A MUST do

From €100.00

5.00
9 reviews
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