Trekking in Corcovado National Park Found: 2 | Change Filter Options Corcovado Beach Trek and La Leona Ecolodge Discover the Osa Peninsula's natural beauty on the Corcovado Beach Trek and at La Leona Ecolodge. Mountain Trek in Northern Corcovado Discover the untouched beauty of the Osa Peninsula on a two-day trek through Corcovado National Park's diverse ecosystems.