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Guided tour of the 2004 lava tunnels





The lava tunnels of Reunion Island are a must-do activity, offering a rare experience found in few places worldwide. Embark on an underground exploration into a universe reminiscent of Jules Verne's tales, made possible by the Piton de la Fournaise volcano. Your expert guides will share their passion for volcanology, explaining the formation of these unique lava tunnels through "volcanic speleology".
Activity essentials
- Explore unique underground lava tunnels.
- Discover a world inspired by Jules Verne.
- Learn about volcanology from expert guides.
- Experience the geology of Piton de la Fournaise.
- Suitable for those with moderate fitness.
- Small group size for a personalized experience.
Meeting point and return
Meeting point: Parking lot for the 2001 lava flow on the RN2, at the "Enclosure of the great burnt".
Estimated driving time: approximately 2 hours from Saint-Gilles and 1.5 hours from Saint-Denis.
For navigation, search for "2001 lava flow" on Waze.
Meeting point: Parking lot for the 2001 lava flow on the RN2, at the "Enclosure of the great burnt".
Estimated driving time: approximately 2 hours from Saint-Gilles and 1.5 hours from Saint-Denis.
For navigation, search for "2001 lava flow" on Waze.
Upon arrival at the 2001 lava flow parking lot, please ask for Fred or Ludo from Réunion mer et montagne.com.
What is included
All necessary safety and comfort equipment is provided, including helmets, gloves, knee pads, and headlamps.
What is not included
Personal clothing required: long pants, a t-shirt (no tank tops), hiking or athletic shoes, a small backpack, a water bottle, a camera, and a change of clothes. A rain suit is also recommended.
Activity options
Guided tour of the 2004 lava tunnels
Duration
2 h 30
How to use your ticket
Mobile or paper ticket accepted. One ticket per booking.
Cancellation policy
For a full refund, cancellations must be made at least 24 hours prior to the scheduled departure time.
Activity itinerary
Activity Flow
2 h 30
After being equipped with a helmet, individual headlamp, knee pads, and gloves, you'll walk for 15 minutes on lava ropes to reach the tunnel entrance. During this brief approach, your instructor will describe the surrounding landscape.
Following initial explanations from your guide and allowing your eyes to adjust to the darkness, you will discover a singular world. Marvel at ceilings resembling flowing dark chocolate (stalactites), lava benches, stalagmite forests, and formations like a "dodo" and a "shark"...
Let your imagination run wild with even more discoveries. This is a truly unique journey we offer.
You will progress slowly, at your own pace, mostly standing, sometimes bending, and occasionally squatting.
After 2 hours of exploration, you will exit this environment of anthracite gray, brown, red, and black, taking one last look at the Piton de la Fournaise.
How to prepare for your experience
Wear sturdy closed-toe shoes suitable for hiking.
Bring a camera to capture the extraordinary formations.
A change of clothes is recommended after the tour.
Stay hydrated by bringing a water bottle.
Check the weather and bring a rain suit if necessary.
Arrive at the meeting point on time.
Practical information
This activity is not recommended for pregnant travelers.
This activity is not recommended for travelers with cardiovascular health issues.
Participants should possess a moderate level of physical fitness.
Who is this activity suitable for?
Adventurous travelers
Nature enthusiasts
Geology buffs
Those seeking unique experiences
Venture into the heart of Reunion Island's volcanic wonders with an unforgettable exploration of its ancient lava tunnels.
Frequently asked questions
What equipment is provided for the lava tunnel tour?
All safety and comfort equipment is provided, including helmets, gloves, knee pads, and headlamps.
What should I wear for the lava tunnel tour?
You should wear long pants, a t-shirt, hiking or athletic shoes, and bring a small backpack, water bottle, camera, and a change of clothes. A rain suit is also recommended.
What is the duration of the lava tunnel tour?
The total duration of the activity is 2 hours and 30 minutes, including the approach walk and the exploration time inside the tunnel.
Is this tour suitable for everyone?
This tour requires a moderate level of physical fitness and is not recommended for pregnant travelers or those with cardiovascular health issues.
Where is the meeting point for the tour?
The meeting point is the parking lot for the 2001 lava flow on the RN2, at the "Enclosure of the great burnt". You can search for "2001 lava flow" on Waze.
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