Wildlife Viewing in Corcovado National Park Found: 2 | Change Filter Options Dolphin and Whale Spotting on Golfo Dulce Explore the four tropical fjords of Golfo Dulce and spot dolphins, whales, sea turtles and more. Join us for a boat ride and snorkeling adventure! Corcovado Hike 'El Tigre' Hike the 7km El Tigre trail in Corcovado National Park. Spot wildlife, explore ancient artifacts, and support conservation projects in the local community.