
Caving in the Asón Valley: The Underground Epicenter of Cantabria
The Asón Valley has the highest density of caves in Cantabria. From beginner-friendly horizontal cavities to technical expeditions in Coventosa or Cuivo Mortero, this valley is the mecca of caving in northern Spain.
All year round
Caving in the Asón Valley: The Underground Epicenter of Cantabria
Highlights
- • Highest density of caves in Cantabria
- • Routes for all skill levels
- • Exploration in Coventosa and Cuivo Mortero
- • Safe and exciting experiences
- • Rich flora and fauna in the caves
Practical Information
What to bring
- Thermal clothing you don't mind getting dirty
- Spare socks
- Full change of clothes
- Water and snack
Meeting point
Companies meet in Ramales de la Victoria or Arredondo. Drive to cave entrance (5-15 min). Free parking.
Tips
- Book ahead for July-August
- Confirm minimum age for children
- Don't bring valuables into the cave
- Contact company after heavy rain
Caving activities in Asón Valley
Las mejores experiencias disponibles
9
Caving at Cuivo Mortero de Astrana, Cantabria

Caving at Cuivo Mortero de Astrana, Cantabria
Caving
Soba, Cantabria
Desde
€250.00
Points of Interest
Rincones y puntos de interés
Frequently Asked Questions
Resolvemos tus dudas sobre Caving in the Asón Valley: The Underground Epicenter of Cantabria
What is the price of the activities?
Prices vary depending on the activity and duration, check with local operators.
What is the best time to go caving?
Caving can be practiced year-round, although spring and autumn are ideal.
What level of experience is required?
There are activities for beginners as well as experienced cavers.
What equipment should I bring?
It is advisable to wear comfortable clothing, appropriate footwear, and a helmet, although equipment is usually provided.
Where are the caves located?
The caves are located in the Asón Valley, accessible from various points in the region.






