The broad Poás volcanic complex is seen here from the NE and shows and the northern flank of Cerro Congo in the center, with the von Frantzius cone to the left. An eruption of Cerro Congo around 5,140 years ago emplaced a pyroclastic flow deposit.

Photo by Mike Carr, 1983 (Rutgers University).

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Poás