
Underground Van Tour (Half Day) | Terceira Island
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September 2026
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Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
4.9/5
Based on 157 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Underground Van Tour (Half Day) | Terceira Island worth booking?
Underground Van Tour (Half Day) | Terceira Island is a 3-hour experience in Terceira, Portugal, from $59 per person. It scores 85 out of 100 on the Outty Ranking, which we label “Exceptional”, based on a 4.9/5 rating across 157 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 85 / 100
- Rating
- 4.9/5 (157)
- Duration
- 3 hours
- From
- $59 per person
The underground caves are one of the most amazing visits to take on Terceira Island. This tour includes the passage through the Natal Cave (lava tube) and the Algar do Carvão (the interior of the volcano), also includes
What you get
About this experience
The underground caves are one of the most amazing visits to take on Terceira Island. This tour includes the passage through the Natal Cave (lava tube) and the Algar do Carvão (the interior of the volcano), also includes the passage through the famous Furnas of Sulfur (fumarolas) and the leisure area Lagoa das Patas.
What's included
Included
- Pick up & drop off
- Personal Accident Insurance
- In-vehicle air conditioning
- Tourist Guide
Not included
- Tickets in the Caves
What you'll see and do
Lagoa Das Patas
The first stop of the tour will be at a secret place called Lagoa das Patas. In this place it is possible to visit the stream that originates from Serra de Sta Bárbara, visit the Lagoon and interact with animals such as ducks and some birds. It is a leisure area full of life and nature!
20 minutes here
Here we will visit the famous Gruta Natal and Lagoa do Negro. At this stop, you have the opportunity to walk through lava tunnels made by mother nature and see Lagoa do Negro up close.
30 minutes here · Admission not included
Furnas do Enxofre
Furnas do Enxofre is made up of an area that comprises several outlets of aggressive volcanic gases at different temperatures, some quite high. It has a small pedestrian trail that allows you to observe the sulfur smoke up close.
20 minutes here
Algar do Carvao
We visited the interior of a volcano in the center of Terceira Island! An unforgettable experience to remember for the rest of your life.
30 minutes here · Admission not included
Where it starts and ends
Meeting point
Terceira
Meeting point
Terceira
Hotel pickup
Pickup is available for selected locations.
Ends at
Returns to the starting point
Ends at
Returns to the starting point
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- pt, en, es
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Azores Nature Tours
Know before you go
- Not recommended for travelers with spinal injuries
- Not recommended for pregnant travelers
- Not recommended for travelers with poor cardiovascular health
- Suitable for all physical fitness levels
Photos






What travelers are saying
Outty’s summary of the themes that recur across 157 traveler reviews. Written by us, not quoted from reviewers.
The guide
5 mentionsTravelers single out the guide as the reason the experience works.
Knowledge and storytelling
5 mentionsReviewers describe the commentary as informative rather than scripted.
Food and drink
2 mentionsThe tastings and food stops are a highlight for most reviewers.
Traveler reviews
157 verified traveler reviews for Underground Van Tour (Half Day) | Terceira Island. Ratings and reviews provided by Viator and Tripadvisor.
Thank you Andre!
Even though we rented a car, it was super to have a driver and guide, Andre, take us to places unknown for an afternoon. His passion to share his knowledge with tourists was impressive and appreciated. The last cave it a global wonder!
via Viator
Definitely book this trip
One of the most fascinating adventures we have been on - walking in a lava tunnel and being inside a volcano and seeing and smelling sulfur springs -all in 1 afternoon’! This trip is worth the time and the money! And our guide Tony was awesome!
via Viator
You must see the volcano!
Another fantastic tour of Terceira Island! Everything was perfect from start to finish. André was once again an excellent guide — knowledgeable, friendly, and very passionate about the island. The Natal Cave, Algar do Carvão, the sulphur fumaroles, and Lagoa das Patas were all amazing and well worth visiting. André made the experience even more enjoyable with his knowledge and interesting stories. We were very satisfied with the tour and would highly recommend it!
Response from the operator: Thank you so much for your preference and your kind words, was a pleasure for us having you here with us! Jaime Vargas Azores Nature Tours
via Tripadvisor
Amazing tour!
We had an amazing time with Andre. He was extremely professional, showed on time for pick up at our hotel and filled the entire experience with so many details about the island that it made the tour even more interesting. Highly recommend this tour to anyone visiting Terceira and request Andre if you can! :)
Response from the operator: Was a pleasure having you here with us! Jaime Vargas Azores Nature Tours
via Tripadvisor
Great day seeing the...
Great day seeing the islands. The botanical garden and hot springs were amazing and lunch was delicious. Hugo was very knowledgeable and had a lot of interesting history and stories to share
Response from the operator: Thank you so much for your preference! Jaime Vargas Azores Nature Tours
via Viator
Good to know
- Duration
- 3 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Hotel pickup
- Available for selected locations
- Booked in 30 days
- 55
- Verdict
- Exceptional
Why this scores 85
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Underground Van Tour (Half Day) | Terceira Island: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Terceira.
How much does Underground Van Tour (Half Day) | Terceira Island cost?
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Prices start at $59 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Terceira usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Underground Van Tour (Half Day) | Terceira Island take?
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Plan for about 3 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Terceira is not rushed.
Is Underground Van Tour (Half Day) | Terceira Island worth it?
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It holds an Outty Ranking of 85 out of 100, which we label "Exceptional". That score blends traveler sentiment (4.9/5 across 157 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable most highly reviewed in Terceira, and how flexible the cancellation terms are.
Can I cancel or reschedule Underground Van Tour (Half Day) | Terceira Island?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Underground Van Tour (Half Day) | Terceira Island suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 3-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Underground Van Tour (Half Day) | Terceira Island?
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Around 55 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Terceira can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Terceira and add a light layer if any part of the 3-hour experience runs outdoors or after sunset.
Where does Underground Van Tour (Half Day) | Terceira Island start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Terceira within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Terceira?
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On Outty we rank every Terceira experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Terceira Island: Full Day Tour, Watching whales and dolphins on Terceira Island, Island Van Tour (Full Day) | Terceira Island. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Terceira?
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Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Terceira?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
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