Cueva del Viento

Cueva del Viento is a lava tube system located inside the volcanic massif of Pico Viejo on Tenerife, within the municipality of Icod de los Vinos. Formed by past volcanic activity, it ranks among the most significant lava-tube caves anywhere in the world.

How large is the cave system?

Cueva del Viento is recognized as the largest lava tube system in Europe and the sixth largest in the world, surpassed only by a series of lava tubes located in Hawaii. It is also considered the most complex volcanic tube system on the planet, a distinction that comes from its unusual morphology: multiple levels and passages interconnect throughout the structure rather than forming a single simple corridor.

What makes its structure so complex?

Unlike many lava tubes that consist of one continuous tunnel, Cueva del Viento developed as a multi-layered network. Different levels of passages run above and below one another, occasionally connecting through smaller openings. This layered complexity is a major reason why researchers and speleologists regard the site as an exceptional case study in volcanic cave formation.

How much of the cave can visitors actually see?

Despite its vast overall length, only a small section of the cave — roughly 250 meters — is open to tourists. The rest of the extensive tube system remains closed to general visitors, which helps protect the fragile underground environment and ensures safety within such a large and intricate network of passages.

How is a visit organized?

Access to Cueva del Viento is only possible as part of a guided tour. Independent or unplanned entry is not permitted. Visits are paid and require booking a reservation in advance. This system allows the number of people inside the cave at any given time to be controlled while making sure every visitor receives proper guidance about the site's geology and formation.

Where exactly is Cueva del Viento located?

The cave lies within the municipality of Icod de los Vinos, in the northwestern part of Tenerife, in an area connected to the Pico Viejo volcanic massif — part of the island's broader volcanic complex. Its approximate coordinates are 28.35°N, 16.70°W. The surrounding countryside includes a scattering of small settlements and hamlets, among them San Francisco de la Montañeta, Aceviños, and El Inglés, reflecting the rural character of this part of the island.

Why is this site significant?

Beyond being a tourist attraction, Cueva del Viento stands as physical evidence of the intense volcanic forces that shaped Tenerife. Its scale — an 18.5-kilometer network measured in 2021 — combined with its multi-level structure, makes it a valuable site for anyone interested in volcanology, geology, or simply the extraordinary natural phenomena found beneath the island's surface.

Frequently asked questions

Can visitors explore the entire cave? No — only about 250 meters of the full 18.5-kilometer system is open for guided tours.

Is a guide required? Yes, entry is only possible with a guide.

Do I need to book in advance? Yes, visits require prior reservation and payment.

Where is the cave located? In the municipality of Icod de los Vinos on Tenerife, within the Pico Viejo volcanic massif.