Unraveling the Mystery of Teide’s Triangular Shadow

Shadow of Teide

The Teide volcano, a majestic natural landmark located in Tenerife, is renowned not only for its soaring height but also for casting the world’s largest shadow over the sea. This fascinating phenomenon has captured the attention of observers and scientists alike, including NASA, which has provided insights into the triangular shape of Teide’s shadow.

Teide shadow in Tenerife Island

Contrary to what one might expect, the shadow’s geometric form doesn’t mirror Teide’s actual shape. The volcano itself is far from being a triangle, as evidenced by its expansive crater. The explanation for this intriguing discrepancy lies in the principle of perspective. As highlighted in the Astronomy Picture of the Day, this spectacle is not unique to Teide alone. However, it becomes particularly noticeable when viewed from the summits of neighboring mountains and volcanoes.

The key to understanding the shadow’s peculiar shape is realizing that observers are looking along the vast expanse of the shadow as it stretches toward the horizon. In such a scenario, any large object, regardless of its actual shape—even if it were a perfect cube—would cast a shadow that appears to taper off into the distance, similar to how parallel railway tracks seem to converge at a point on the horizon.

This optical illusion is most prominently observed from the Mountain of Izaña, which stands at 2,390 meters above sea level. This vantage point is not only home to the Teide Astrophysics Observatory but also to various military, telecommunications, and atmospheric research facilities. From here, the shadow of Teide unfolds across the landscape, offering a breathtaking and mysterious spectacle that continues to enchant and intrigue visitors and scientists alike.

The shadow of Teide is more than just a natural curiosity

It’s a testament to the interplay between light, landscape, and perspective. It invites onlookers to ponder the wonders of the natural world and the optical illusions that can arise from the simplest of conditions. Whether you’re a nature enthusiast, a science aficionado, or simply in search of awe-inspiring views, the shadow of Teide offers a unique and captivating experience that is sure to enrich your understanding and appreciation of nature’s marvels.

Embark on a journey to witness this extraordinary phenomenon for yourself and let the shadow of Teide inspire your sense of wonder and curiosity. As you explore the beauty and mysteries of Tenerife, remember that the island holds many other treasures waiting to be discovered. Continue your adventure by delving into more articles that reveal the island’s hidden gems and natural wonders.

Source: http://www.soldelsurtenerife.com/articulo/curiosidades/nasa-explica-sombra-teide-es-triangular/20190620215254042156.html

Shadow of Teide in Tenerife Island.

Photographs by Gerardo Oronoz.


The best amateur videos from the island of Tenerife on our YouTube channel.

Shadow of Teide.



National Parador of Las Cañadas del Teide

The Parador de las Cañadas del Teide is a hotel establishment located in the heart of the Las Cañadas del Teide National Park.

It belongs to the Spanish public company Paradores Nacionales.

Here you can have one of the best experiences you can imagine. We leave you the following link so that you have more information. National Parador of Las Cañadas del Teide.


End of article The Shadow of Teide.

Samuel GH

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