Geotour - Terceira Island: Explore the Caves

Angra do Heroísmo , Portugal

Geotour - Terceira Island: Explore the Caves

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(23 reviews)

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

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About this experience

This thematic half-day tour about caves and volcanoes at Terceira island, will show all the different outcomes of the volcanic origins of the islands! Starting with the climb onto Serra do Cume top, where you'll be surprised by the breathtaking beauty of one of the largest craters of the Azores; visit the Algar do Carvão, where you feel the experience of being on the inside of an empty volcano; have a small walk through the trail that leads you around the fumarolic field of Furnas do Enxofre; and explore the cave of Gruta do Natal, a set of basaltic lava tunnels; visit the natural pools of volcanic origin in Biscoitos, where you can admire its amazing bay filled with black volcanic rock.

Available options

Geotour - Terceira Island: Explore the Caves

Pickup included

What's included

Hotel pickup and drop-off

Local guide

Gruta do natal entry fee

algar do carvão entry fee.

Air-conditioned vehicle

Port pickup and drop-off

Detailed itinerary

NOTE: ALGAR DO CARVÃO MONUMENT IS CLOSED FOR WORKS ON THEIR INTERPRETATION CENTER FOR 18 MONTHS (SUMMER 2026)

Fumaroles field

Lava tunnel

Largest crater of the Azores

Visit to the natural pools of volcanic origin

What's not included

Food and drinks

Available languages

Guide guide

PT EN FR ES

Reviews breakdown

Viator 5.0

3 reviews

5★

4★

3★

2★

1★

Tripadvisor 4.7

20 reviews

5★

4★

3★

2★

1★

Important information

Not recommended for travelers with spinal injuries

Infants are required to sit on an adult’s lap

Specialized infant seats are available

Not recommended for pregnant travelers

Not recommended for travelers with poor cardiovascular health

Travelers should have at least a moderate level of physical fitness

Children must be accompanied by an adult

ALGAR DO CARVÃO AND ITS VISITORS CENTRE ARE CLOSED DUE TO CONSTRUCTION, SINCE OCTOBER 20th. the construction OF “CAVE – azorean voLCANO sPELEOLOGICAL CENTER” OF ALGAR DO CARVÃO will take approximately 18 months.

About Angra do Heroísmo

Angra do Heroísmo, a UNESCO World Heritage Site, is a historic city on Terceira Island in the Azores. Known for its well-preserved Renaissance architecture and rich maritime history, it offers a unique blend of cultural heritage and natural beauty.

Top Attractions

Historic Center of Angra do Heroísmo

The Historic Center is a UNESCO World Heritage Site featuring well-preserved Renaissance architecture, charming streets, and significant landmarks.

Historical 2-3 hours Free to explore, some attractions may have entry fees

Duque de Terceira Garden

A beautiful public garden with a variety of plants and trees, featuring a statue of the Duke of Terceira and offering panoramic views of the city and harbor.

Historical 1 hour Free

Monte Brasil

A scenic volcanic crater offering hiking trails, panoramic views, and a historic fortress. It's a great spot for nature lovers and history enthusiasts.

Nature 2-3 hours Free (Fortress may have an entry fee)

Alfândega da Praia

A historic customs house built in the 18th century, showcasing the city's maritime heritage and offering exhibitions on local history and culture.

Historical 1 hour Free or small entry fee

Must-Try Local Dishes

Cozido das Furnas

A traditional Azorean stew cooked in underground ovens, featuring a variety of meats and vegetables.

Dinner Contains meat and vegetables, can be made vegetarian

Bife à Terra

A grilled beef steak seasoned with garlic and vinegar, served with fried sweet potatoes and salad.

Dinner Contains beef, gluten-free

Lapas Grelhadas

Grilled limpet, a type of sea snail, seasoned with garlic and vinegar.

Appetizer Seafood, gluten-free

Queijadas da Vila

Small cheesecake-like pastries made with fresh cheese, sugar, and cinnamon.

Dessert Contains dairy, gluten

Popular Activities

Hiking in Monte Brasil Exploring Algar do Carvão Swimming in Biscoitos Natural Pools Strolling through the Historic Center Enjoying a meal at a waterfront restaurant Relaxing in the Duque de Terceira Garden Visiting the Historic Center Exploring local museums

Best Time to Visit

June to September

This is the warmest and driest time of the year, perfect for outdoor activities and exploring the city's historic sites. The weather is ideal for hiking, whale watching, and enjoying the local beaches.

18-25°C 64-77°F

Practical Information

Language

Official: Portuguese
Widely spoken: English, French, Spanish
English: Moderately spoken

Currency

Euro (EUR)

Time Zone

GMT+0 (Azores Standard Time, AZOT)

Electricity

230VV, 50HzHz

Safety Information

Overall Safety Rating: Generally safe

Angra do Heroísmo is a safe and welcoming destination for travelers. Petty crime is rare, and violent crime is uncommon. However, it's always important to take basic precautions to protect yourself and your belongings.

Important Precautions:

• Keep valuables secure and out of sight
• Be cautious when using ATMs, especially at night
• Use reputable taxi services or ride-sharing apps

Getting there

By air

Lajes Field • 15 km from Angra do Heroísmo

By bus

Angra do Heroísmo Bus Terminal

Getting around

Public transport

The bus system is efficient and affordable. Buses are a convenient way to get around, especially for those staying in the city center.

Taxis

Available • Apps: Local taxi stands and phone numbers

Rentals

Car, Bike, Scooter

Neighborhoods

Historic Center Porto de Pipas Monte Brasil

Day trips

Biscoitos

20 km from Angra do Heroísmo • Half day to full day

Biscoitos is known for its volcanic rock pools and natural swimming areas, as well as its vineyards and wine production.

Algar do Carvão

10 km from Angra do Heroísmo • Half day

A unique volcanic cave with a lake inside, offering a fascinating glimpse into the island's geological history.

Serreta

25 km from Angra do Heroísmo • Full day

A picturesque village with stunning coastal views, known for its traditional Azorean architecture and natural beauty.

Festivals

Festa do Divino Espírito Santo • Late May to early June Festival de Música de Angra do Heroísmo • July

Pro tips

Visit the Historic Center early in the morning or late in the afternoon to avoid crowds and enjoy the best lighting for photos.
Explore the city on foot to discover hidden gems and charming streets.
Try local specialties like Cozido das Furnas and Bife à Terra for an authentic Azorean dining experience.
Bring a swimsuit and towels for a refreshing dip in the natural pools of Biscoitos.
Pack layers and be prepared for changing weather, as the Azores can be unpredictable.