About This Tour
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.
Photo Gallery
TopTours Insights
Geology private full day tour
This is a private, full-day tour designed for in-depth exploration of geological formations. Expect a personalized itinerary with ample time for observation and photography, tailored to your interests by operator Ricardo.
Calculating tour characteristics...
What's Included
What's Not Included
Additional Information
Meeting Point
We will meet at "Praça velha", main square, just in front of the city hall main door.
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
✓ Free cancellation due to bad weather
Tour Operator
Ricardo
Official supplier for this experience. Bookings are handled directly through Viator with verified partners.
Viator Certified
Trusted local operator
Guest Ratings
Total review count and overall rating based on Viator and Tripadvisor reviews
Based on 11 verified reviews
Average rating
Guest Reviews Preview
See what other travelers are saying about this experience.
Frequently Asked Questions
Common questions about Geology private full day tour
Who operates this experience?
This experience is operated by Ricardo, a local sightseeing provider.
What's included?
This tour includes Private tour, Hotel Pick up and drop off, and Geologist expert guide. All inclusions are provided by the tour operator.
How long is this tour?
The experience lasts approximately 8 hours to 9 hours, giving you time to fully enjoy your chosen activity.
Can I cancel this tour?
Yes, you can cancel up to 24 hours before the scheduled departure time for a full refund. If weather conditions are unsafe, the tour may be canceled by the operator. In such cases, you'll be offered a refund or reschedule.
What should I bring?
We recommend bringing comfortable walking shoes, a camera, and weather-appropriate clothing. All necessary equipment is provided.
Will I receive instant confirmation?
Yes, you'll receive instant confirmation when you book.
What to expect on this tour?
This sightseeing experience lasts approximately 8 hours to 9 hours and includes all necessary equipment and guidance. You'll have access to Private tour and more.
Ready to Go?
Book Geology private full day tour
Secure your spot instantly through Viator and receive flexible cancellation options plus verified customer support.
Trusted partner • Instant confirmation