---
title: Underground Van Tour (Half Day) | Terceira Island
lang: en
alternate_de: https://guidekin.com/de/portugal/azores/tours/underground-van-tour-half-day-terceira-island/
type: tour
city: Azores
country: Portugal
price: 50
currency: EUR
price_unit: per_person
availability: bookable
rating: 4.95
reviews: 160
duration_minutes: 180
languages: [pt, en, es]
free_cancellation: "true"
guidekin_pick: Only half a day?
rank_in_category: 6 of 19 (Terceira)
schedule_checked: 2026-09-26
data_updated: 2026-10-12
canonical: https://guidekin.com/portugal/azores/tours/underground-van-tour-half-day-terceira-island/
---

# Underground Van Tour (Half Day) | Terceira Island

**Guidekin's take:** Half a day inside Terceira: the Natal lava tube, the Algar do Carvão volcano chimney and the sulphur fumaroles, by van with a guide and pickup. Cave tickets are paid on top; not for spinal injuries or pregnancy. 4.95 from 160 reviews at €50 per person for 3h.

**Only half a day?:** Book the Underground Van Tour for caves and fumaroles with a guide and pickup; cave tickets extra: 3h, €50 per person, 4.95 from 160 reviews. Trade-off: Not for pregnancy or spinal injuries. (last checked September 15, 2026)

In our comparison: #6 of 19 in Terceira, by rating weighted by review volume (table below).

## Overview

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.

## Before you book

- Hotel pickup: from 11 pickup points
- Starts 14:00: one departure a day
- Children from €25: ages 4 to 11

**Pickup:** Hotel pickup from 11 pickup points

## Key facts

- Price: from €50 per person
- Duration: 3h
- Rating: 4.95/5 from 160 reviews (collected from Guidekin & Viator & Tripadvisor)
- Free cancellation (see policy below)
- Operator: Azores Nature Tours
- Group: Shared tour
- Guide languages: Portuguese, English, Spanish
- Start times: 14:00
- Booking: Instant confirmation, mobile ticket
- Price checked on Viator: 2026-09-26

## Reviews

4.95 from 160 ratings on Guidekin, Viator & Tripadvisor.
99% of ratings with a star breakdown are 4 or 5 stars: 159 of 160.

- 5 stars: 153 (96%)
- 4 stars: 6 (4%)
- 3 stars: 1 (1%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)

### What reviewers say

Reviewers praise the guides and volcanic sights; cave visits involve plenty of steps and some tight passages

**Praised:**
- Guides explain volcanic geology alongside island history and culture
- Algar do Carvão and the contrasting lava cave are frequent highlights
- Unhurried stops with time to explore and take photos
- Convenient transport for exploring the interior without a car

**Complaints:**
- Low, narrow cave passages require care to navigate
- Lots of steps to climb during the underground visits

Written by Guidekin from the 100 most recent English reviews on Viator & Tripadvisor (2022-05-24 to 2026-10-01); last checked 2026-10-07.

## What's included

- Pick up & drop off
- Personal Accident Insurance
- Air-conditioned vehicle
- Tourist Guide

## Not included

- Tickets in the Caves

## Itinerary

1. **Lagoa Das Patas** (20m) - 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...
2. **Here we will visit the famous Gruta Natal and Lagoa do Negro** (30m) - At this stop, you have the opportunity to walk through lava tunnels made by mother nature and see Lagoa do Negro up close.
3. **Furnas do Enxofre** (20m) - 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.
4. **Algar do Carvao** (30m) - We visited the interior of a volcano in the center of Terceira Island! An unforgettable experience to remember for the rest of your life.

## Schedule

- Runs: daily
- Departures: 14:00
- Schedule last checked: 2026-09-26
- These are published departures, not a live seat count; availability is confirmed at checkout.

## Cancellation

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

Pickup points listed by the operator: 11

Ends: back at the meeting point

## Good to know

- 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

## Compared with other Terceira

| Tour | Price | Duration | Rating | Group |
|---|---|---|---|---|
| **This tour · #6 of 19** | €50 | 3h | 4.95 (160) | shared |
| [Private Terceira Island Full Day Tour](/portugal/azores/tours/private-terceira-island-full-day-tour/?format=md) | €150 | 7h | 5.0 (257) | private |
| [Terceira Island: Full Day Tour](/portugal/azores/tours/terceira-island-full-day-tour-88199P11/?format=md) | €90 | 7h | 5.0 (75) | shared |
| [Wines and Moonshines of Terceira](/portugal/azores/tours/wines-and-moonshines-of-terceira-48819P16/?format=md) | €139 | 8h | 5.0 (62) | shared |

Ranked #6 of 19 in Terceira by Guidekin score (rating weighted by review volume). Prices here run from €39 to €160, median €85; typical length 5h. 3 of 19 are private. Figures are live from the tour cards; the rubric is our handpicked set, not the whole market.

Full list: https://guidekin.com/portugal/azores/terceira/?format=md

## More in Azores

- All Azores tours: https://guidekin.com/portugal/azores/?format=md
- This page as HTML: https://guidekin.com/portugal/azores/tours/underground-van-tour-half-day-terceira-island/

Filters, the full catalogue and the URL contract for this city: https://guidekin.com/portugal/azores/?format=md