The broad ridge on the horizon is Las Cumbres volcanic complex, a Quaternary center NNE of Pico de Orizaba that contains a 3.5-4.5 km wide summit caldera. The Las Cumbres complex lies in the southern half of the Pico de Orizaba-Cofre de Perote volcanic chain and is topographically much less prominent than the two major volcanoes at the ends of the chain.

Photo by Lee Siebert, 1998 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Las Cumbres