Tanganasoga, Volcanic formation in El Hierro, Canary Islands, Spain
Tanganasoga is a volcanic cinder cone perched near the edge of the El Golfo landslide headwall on El Hierro. Its steep slopes expose raw rock faces that reveal the island's volcanic composition and geological structure.
The region last experienced volcanic activity in 1793 when Lomo Negro erupted nearby, reshaping the landscape in a matter of weeks. This demonstrates that volcanic forces remained active on the island well into recorded history.
Local inhabitants of El Hierro maintain a collection of traditional stories about Tanganasoga, connecting the volcano to the island's natural heritage.
Well-marked trails connect several viewpoints around the volcanic cone, giving good views of the rock faces and local plant life. Wear sturdy footwear since the ground is uneven and can be slippery in places.
The interior contains a network of caves and volcanic galleries that extends through the rock for several kilometers. These underground passages reveal how molten rock once flowed through the depths of the island.
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