Wildlife Viewing in Corcovado National Park Found: 2 | Change Filter Options Dolphin and Whale Spotting on Golfo Dulce Explore the rich marine ecosystem of Golfo Dulce, home to dolphins, whales, and coral reefs perfect for snorkeling. Corcovado Hike 'El Tigre' Discover the El Tigre Trail, a 7km hike in Corcovado National Park, showcasing rich rainforest, wildlife, and indigenous history.