Global Volcanism Program | Image GVP-04271
Arenal towers above forests along the Río Agua Caliente on the WSW flank. The Volcán Arenal National Park lies within the Arenal Conservation Area, which combines to protect eight of Costa Rica's 12 biological life zones and includes 16 protected reserves.
Photo by William Melson, 1990 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.