Waterfalls in The Osa Peninsula Found: 3 | Change Filter Options Natural and Cultural Wonders Experience sustainable farming, traditional crafts, and hands-on culinary experiences in Costa Rica. Explore the enchanting forests and engage in eco-friendly activities. Epic Osa Peninsula Rainforest Adventure Explore the Osa Peninsula in Costa Rica and immerse yourself in the culture and beauty of the rainforest. Swim in crystal clear swimming holes, observe wildlife in Corcovado National Park, and relax on beautiful beaches. Corcovado National Park and Drake Bay Wilderness Adventure Experience the stunning beauty of Corcovado National Park and Drake Bay Wilderness. Enjoy guided hikes, witness the extensive biodiversity and relax in the natural pools and waterfalls.