Come and discover the unique underground world of Piton de la Fournaise by taking a sporty tour of the lava tunnels of Reunion Island, a chance to learn more about the island's volcanology and geology!

Visiting the lava tunnels between Sainte-Rose and Saint-Philippe, in the southeast of Réunion Island, is a must-do activity around the Piton de la Fournaise volcano.

In a small group and in a friendly atmosphere, you'll take a guided sports tour of the lava tunnels of Piton de la Fournaise for about 4 hours.
During this underground exploration, you'll experience 100 meters of ascent and descent with a peak at 400 meters, and you'll be able to observe multiple exceptional geological formations: lava stalactites, lava benches, stalagmites, vitrified walls, and skylights.

For this caving trip near Piton de la Fournaise, you'll be supervised by a state-certified mountain and caving guide who will ensure your safety and that you come out amazed from this underground experience in Reunion. You'll immerse yourself in a world completely different from the outside, which will help you better understand the process of forming a volcano and a lava tunnel!

So, don't hesitate and embark on this caving trip in the lava tunnels of Piton de la Fournaise on the island of Reunion!

What to expect

• Meet the instructor in the designated parking lot

• Once you're equipped with a helmet, an individual headlamp, knee pads, and gloves if you wish, you'll walk for 15 minutes on the roped lava to reach the entrance of the tunnel, with the guide describing the landscape around you

• Enter the lava tunnels with a few initial explanations from your guide while you get used to the darkness

• Discover the lava tunnels: ceilings from which dark chocolate seems to flow (stalactites), lava benches, forests of stalagmites, a “dodo”, a “shark”, and many other things if you let your imagination run wild. You'll often be standing, sometimes bending or squatting, as you slowly progress through the tunnels at your own pace

• After 2 to 3 hours, you'll leave the lava tunnels to end the experience

For photography enthusiasts, the team will take the time to help you create your own photo report.