Best caves around Onís, a municipality in Asturias, Spain, are set within a karstic landscape, offering diverse subterranean experiences. The region, including areas like Cangas de Onís, is known for its natural grottoes and historical sites. These locations provide insights into geology, history, and local traditions. Visitors can explore a range of caves, from natural formations to those with cultural significance.
Last updated: June 20, 2026
Highlight • Religious Site
Translated by Google •
Tip by
Highlight • Structure
Translated by Google •
Tip by
Sign up now to discover places like this
Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.
Sign up for free
Highlight • Trail
Tip by
Highlight • Cave
Translated by Google •
Tip by
Highlight • Cave
Translated by Google •
Tip by
Sign up for free to discover even more caves around Onís.
Sign up for free
Already have an account?
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Onís
A pilgrimage to the peaks – Camino de los Santuarios
Four days hiking in Spain’s Picos de Europa – Anillo Vindio
The secrets of the Cantabrian Mountains – GR 109 Asturias Interior
Las Cumbres Reinas de España — Spanish mountain trail races
Hike Spain’s Picos de Europa – Ring of Peaks, Three Massifs
Hiking around Onís
Road Cycling Routes around Onís
Running Trails around Onís
Cycling around Onís
MTB Trails around Onís
Spectacular place similar to the Covadonga cave but without any queues
0
0
... you have to cross briefly from Cain.
1
1
As beautiful as Covadonga, but since it's not as well-known, it's free of people and queues. It's worth a stop.
3
0
Hidden chapel in the rock (Cuevona) - absolutely fantastic!!
1
0
The Cheese Museum is located in rock caves that have long been used for cheese production. The traditional and typical production of the local blue cheese is explained on illustrated panels. After a guided tour through the rock tunnels, there will be a film screening and a cheese tasting with apple cider in one of the houses.
1
0
The tunnels are all so short that you don't need a lamp.
1
1
The Onís region offers diverse cave experiences. You can drive or walk through the impressive La Cuevona de Cuevas del Agua, a natural cave with a road passing through it. For a historical and spiritual journey, visit the Santa Cueva at Covadonga Sanctuary, a sacred site and burial place of King Pelayo. Another unique option is the Quiliama Cave, which offers an agritourism experience focused on the ripening of Gamonéu cheese.
Yes, the region has family-friendly options. The Cuevona de Avín is an excellent choice, offering an educational journey into the glacial period with life-size reproductions of prehistoric megafauna. The Cabrales Cheese Cave Museum also provides an engaging experience for families, explaining traditional cheese production.
Several caves in the region are rich in history and culture. The Santa Cueva at Covadonga Sanctuary is a site of immense religious and historical significance, linked to the Battle of Covadonga and King Pelayo. The Buferrera Mine provides a glimpse into the region's industrial past with its old iron and manganese mining ruins. Additionally, the Quiliama Cave and the Cabrales Cheese Cave Museum showcase traditional Asturian culinary heritage.
The Onís region is known for its karstic landscape, meaning you'll encounter impressive geological formations. Caves like La Cuevona de Cuevas del Agua feature stalactites and stalagmites. The general area also boasts unique ecosystems and diverse flora and fauna within its subterranean environments.
For a more peaceful experience, consider visiting Cuevona de Debodes. It features a small hermitage inside and is generally less frequented than more well-known sites, offering a quiet stop.
The area around Onís is excellent for various outdoor activities. You can find numerous routes for mountain biking, gravel biking, and cycling. For example, there are challenging MTB routes like the Covadonga Sanctuary – Queen's Viewpoint loop, and scenic cycling routes such as the Lagos de Covadonga Trail. You can explore more options in the MTB Trails around Onís, Gravel biking around Onís, and Cycling around Onís guides.
Yes, La Cuevona de Cuevas del Agua is notably accessible, as the AS-114 road passes directly through it. Visitors can drive or walk along a pedestrian walkway inside the cave, making it very convenient to experience its subterranean geology.
The caves in the Onís region can generally be visited year-round, but specific opening hours and accessibility might vary. For the most comfortable experience, spring and autumn offer pleasant weather for exploring both the caves and the surrounding natural beauty. Always check specific cave operating times before your visit.
Cave temperatures are typically cooler and more constant than outside, so it's advisable to wear layers, even in summer. Sturdy, closed-toe shoes with good grip are essential, as surfaces can be uneven and damp. For some experiences, like Quiliama Cave, protective clothing might be provided or recommended due to streams or specific conditions.
The Cuevona de Avín in Benia (Onís) offers an educational journey into the glacial period. Through a 500-meter route, you can see life-size reproductions of extinct megafauna like mammoths and woolly rhinoceroses that inhabited the area 40,000 years ago. Access is via the Glacial Fauna Interpretation Centre.
Yes, the region is famous for its cheese caves. The Quiliama Cave focuses on the traditional ripening of Gamonéu cheese, offering tours and tastings. Similarly, the Cabrales Cheese Cave Museum in Arenas de Cabrales provides insights into the artisanal production of the renowned Cabrales cheese, often concluding with a tasting paired with Asturian cider.
Absolutely. The region offers numerous hiking trails. For example, the Cave and Mountain Path in the Spanish Hills highlight describes a challenging mountain hike with spectacular views, including a cave. Many routes in the nearby Picos de Europa also pass by or offer views of natural grottoes and karstic formations. You can find more detailed hiking routes in the MTB Trails around Onís and Cycling around Onís guides, which often include sections suitable for walking.


Extend your search for the best caves by checking out these guides of the top ones around Onís: