Global Volcanism Program | Image GVP-08892
Arenal (left) and Cerro Chato (right) are seen from near El Castillo on the SW side of the volcanic complex. Activity has migrated NW since the earliest eruptions dating back to 38,000 years ago. La Espina and Chatito lava domes are out of view to the right.
Photo by Jorge Barquero (OVSICORI-UNA).