Costa Rica’s volcanoes are among the country’s most iconic natural attractions, drawing travelers who seek dramatic scenery, geothermal activity, wildlife encounters, and outdoor adventure. Arenal Volcano, once one of the most active volcanoes in the world, offers stunning hiking trails, lava fields, rainforest bridges, and mineral-rich hot springs that flow from geothermal veins beneath the mountain. Poás Volcano National Park features a massive active crater filled with a bright turquoise acidic lake, surrounded by high-altitude cloud forest landscapes. Irazú Volcano provides panoramic views from its summit, where visitors can see multiple craters and sometimes both coastlines on exceptionally clear days. Rincón de la Vieja Volcano is a geothermal wonderland with steaming fumaroles, bubbling mud pots, volcanic rivers, and mineral-rich waterfalls. Many tours include wildlife sightings such as toucans, monkeys, coatis, and tropical birds that thrive in volcanic ecosystems. Geology guides explain how tectonic activity shaped Costa Rica’s rugged terrain and created fertile soil for agriculture and rainforest growth. Adventure activities like ziplining, horseback riding, canyoning, and tubing are commonly paired with volcano visits. Travelers also enjoy relaxing in natural hot springs after exploring trails and lookout points. With so much diversity, Costa Rica’s volcano tours offer immersive outdoor experiences that blend science, scenery, and adventure.