
Lake Ilopango, the largest in the country, was formed within a volcano that collapsed around the year 431. It was one of the most destructive eruptions in Central America: it covered the territory in ash and forced the abandonment of the Mayan settlements in the region. From the Turicentro Apulo on the shore, boats set out, and activities such as diving, sailing, and fishing are practiced in its waters. Up high, the Panoramic Route features restaurants with views of the lake.




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Snapshots that tell the story of Ilopango Lake.
The Ilopango caldera was formed by four major eruptions from the late Pleistocene. The last one, Tierra Blanca Joven, occurred around the year 431 and was one of the most destructive in Central America: it covered much of the territory with ash, forced the abandonment of Maya settlements such as Joya de Cerén and Chalchuapa, and left the region uninhabited for generations. Over the centuries, the crater filled with water. After the earthquakes in December 1879, a lava dome emerged from the bottom of the lake, reaching fifty meters in height, until the explosions on March 5, 1880, nearly blew it apart: what remains are the Islas Quemadas.


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