Waterfalls in Corcovado National Park Found: 2 | Change Filter Options Epic Osa Peninsula Rainforest Adventure Explore the biodiverse Osa Peninsula on an immersive adventure through local communities and pristine rainforests in Costa Rica. Corcovado National Park and Drake Bay Wilderness Adventure Embark on a two-day adventure in Costa Rica's Corcovado National Park with hikes, wildlife, and stays at a community lodge.