Global Volcanism Program | Image GVP-04263
The new post-1968 Arenal cone is to the right in this 1989 view from the NW. The pre-1968 summit forms the peak to the left. Eruptions originating from four craters on the western flank produced the new cone and a lava flow field on the lower western flank.
Photo by William Melson, 1989 (Smithsonian Institution)
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.