Costa Rica Blog
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Insider’s Guide to Irazu Volcano

Costa Rica typically conjures up visions of balmy beaches, swaying coconut palms and steamy jungles, but thanks to its geographical diversity, glacier lakes and wind-bitten paramo can also be explored in this amazing country. A day trip to the ethereal landscapes of Irazu Volcano and you’ll soon bear witness to these microclimate extremes. Featuring endemic plants and a massive crater that occasionally fills with lime-green water, this national park warrants a visit, whether on a guided tour or on your own.

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Irazu Volcano Costa Rica in Central America
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Fun facts about Irazu Volcano National Park

Situated 40 miles east of San Jose, Irazu looms over the city of Cartago at an elevation of 11,260 feet. It’s Costa Rica’s tallest volcano and, thanks to its impressive altitude, promises bone-chilling weather that often dips into the low 40’s. Be prepared! Wear long pants and closed shoes and bring a sweater or jacket to guard against the winds. The main crater spans 3,445 feet in diameter and, depending on the climate, may or may not be visible since clouds may obscure your view. Due to recent seismic activity, the crater lagoon has disappeared completely, but may return in the rainy season. Still considered moderately active, Irazu’s last major eruption took place in 1963, during a visit by President John F. Kennedy.

Best times to visit

Irazu Volcano And National Park
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The guidebooks say that the drier months of January through April are the best time to visit Irazu Volcano, since clear skies often afford better views. In truth, the weather is so fickle in Costa Rica that visitors have enjoyed tremendous views during the green season months of May-October, and been shrouded in clouds during a January visit. Much less crowded than the popular Poas Volcano, Irazu is dominated by sub-alpine paramo, which is often covered in black volcanic ash lending an eerie atmosphere. In fact, some have said the park’s ash-coated terrain makes you feel as if you’re walking on the moon!

A region dedicated to farming and agriculture

On your way up the winding road to Irazu’s entrance, you can’t help but notice massive fields of winter vegetables growing on its slopes. Thanks to the cooler temperatures and fertile volcanic soil, residents grow much of the nation’s carrots, cabbage, potatoes and onions in this area. Once inside the park, the landscape changes dramatically courtesy of the harsh volcanic environment.  Amid the twisted trees and stunted shrubs, you may spot hummingbirds, sooty robins, tanagers, woodpeckers and other avian life thriving in this chilly climate. Another highlight is the Irazu paintbrush – a vibrant pinkish flower endemic to the park.


For more information about Irazu volcano tours and other family-friendly Costa Rica attractions and activities, please contact us today