Experience Costa Rica's northwestern highlights on this 9-day tour, including Arenal Volcano National Park, Caño Negro Wildlife Refuge, Monteverde Cloud Forest and Super Combo in Guanacaste. Explore the natural wonders of land and water, where approximately six percent of the world’s most bio-diverse species reside. Relax in a thermal hot spring. Explore the forest on a Sky Walk and ride on horseback along mountain trails – with an extra day to relax at your leisure or continue your adventure with multiple options.