Facts

• Arenal Volcano is a 5,437-foot stratovolcano located in northwestern Costa Rica that was considered one of the world’s most active volcanoes until 2010.
• The volcano was completely dormant for over 400 years until it dramatically awakened in 1968 with a massive eruption that destroyed three villages.
• Arenal Volcano’s perfectly conical shape makes it one of the most photographed volcanoes in the world and a symbol of Costa Rica.
• The volcano sits within Arenal Volcano National Park, which covers 29,692 acres of diverse ecosystems including rainforest, cloud forest, and volcanic terrain.
• Arenal’s volcanic activity heated natural underground springs, creating the famous hot springs that attract thousands of visitors annually.
• The volcano’s fertile volcanic soil supports incredible biodiversity, with over 850 bird species recorded in the Arenal region.
• Arenal Volcano generates geothermal energy that powers parts of Costa Rica’s electrical grid, making it both a tourist attraction and energy source.
• The last major eruption phase lasted 42 years from 1968 to 2010, making it one of the longest continuous eruption periods in recent volcanic history.
• Local indigenous groups considered Arenal Volcano sacred and called it “the place where the gods live” long before Spanish colonization.
• The volcano’s proximity to La Fortuna town makes it one of the most accessible active volcano experiences in Central America.
• Arenal Volcano sits on the Pacific Ring of Fire, part of the geological chain that includes over 75% of the world’s active volcanoes.
• The 1968 eruption was so sudden that it caught scientists completely off guard, as there had been no warning signs of the impending volcanic activity.

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