Horizon - Millau spéléologie
Millau and the Grands Causses are home to numerous underground caves offering a wide variety of routes and difficulty levels. From introductory horizontal caving experiences to more challenging and technical explorations, set off to discover a fascin
Let our experienced and passionate guides lead you on a unique underground adventure with our four different caving experiences!Discovery
The perfect introduction to caving and the fascinating underground world of the Grands Causses. All equipment is provided, including a technical caving suit and a helmet fitted with a powerful LED headlamp, allowing you to explore safely. Enjoy a gentle introduction to underground adventure, with plenty of excitement along the way! Perfect for beginners.
2 hours of underground activity
10–15 minutes of walking (approach and return)
Up to 26 km from Millau for the furthest cave
Souterrata
Discover a vertical cave on a fun and immersive adventure, ideal for learning the basics of rope descent techniques.
This underground adventure stands out thanks to its original and unique concept: the return journey takes you along an aerial route combining a via ferrata, ladder, rope bridges and climbing sections. A complete adventure combining thrills, exploration and fun, perfect for families and friends in a remarkable natural setting.
20-minute outdoor introduction to the equipment and techniques
2 to 2.5 hours of underground activity
5 minutes of walking (approach and return)
10 km from Millau
Sport
A more challenging exploration deep inside a vertical cave, combining rope descents with ascents using mechanical rope clamps.
Several caves are available depending on the participants' experience and expectations, ensuring a tailored and different adventure every time.
20-minute outdoor introduction to the equipment and techniques
3 hours of underground activity
5 minutes of walking (approach and return)
Up to 34 km from Millau for the furthest cave
Exploration
The challenge: complete a technical underground traverse or a major vertical descent, mastering both rope descent and ascent techniques.
Thrills guaranteed: ferns, natural light filtering through the rock, spectacular echoes... and a final exit via the cliff face for an adrenaline-filled finish!
20-minute outdoor introduction to the equipment and techniques
3 to 4 hours of underground activity
Maximum group size: 4 participants per guide
5 minutes of walking (approach and return)
From 15 km to 50 km from Millau, depending on the cave
