This afternoon you will be picked up to visit Costa Rica's celebrated Arenal Volcano, beginning with a 90-minute walk near the volcano. As you move through the forest, watch out for howler monkeys, bright tropical toucans, and listen to the rumbling sounds of the distant volcano. The walk ends with a magnificent view of Arenal, one of the most active volcanoes in the world since its massive eruption in 1968. With a bit of luck, you may see lava plummeting down the mountain's slopes. The tour concludes with a little relaxation in the nearby Ecotermales natural hot springs at dinnertime, as the volcano towers in the distance. After the hot springs you return to your Arenal hotel.