Frequent eruptions continued until 2010, when the volcano re-entered an indeterminate resting cycle. Today, you can explore the area by visiting the nearly 30,000-acre Arenal Volcano National Park ...

Arenal is a dream come true for volcano enthusiasts. This perfectly conical peak is one of the world’s most active, putting on a nightly show of glowing lava flows and fiery eruptions.

The national park alone is worthy of an entire vacation, as the centerpiece is the natural landmark that had its last major eruption in 1968. Now in a resting phase, Arenal Volcano rises like a ...