Immerse yourself in the wild volcanic landscapes of the Rincon de la Vieja National Park on this full-day trekking tour. Set out on a moderate 2-hour hike through the jungle and keep a lookout for wildlife along the way. Cool off with a swim beneath the Oropendola Waterfall then refuel with a delicious Costa Rican lunch. Then, enjoy a soothing soak in the hot springs and volcanic mud baths of Rio Negro.