Corcovado National Park’s Sirena Station tour offers you a wildlife filled adventure. As you explore the park’s trail system, you will have the opportunity to observe countless forms of wildlife—including over 400 species of birds, all four Costa Rican monkey species, and 10 percent of the mammals within the Americas.

Costa Rica’s Corcovado National Park comprises a large portion of the country’s beautiful Osa Peninsula. Your visit to Sirena Station starts with a reservation — the 103,290 acres (41,800 ha) of Parque Nacional Corcovado are accessible by appointment only, per a government mandate. Once your tour is confirmed, your boat ride from Drake Bay will last about one hour. It’s recommended that you wear sandals for this portion of your tour, because once you arrive, a wet beach will be the first terrain you set foot on.

From there, you’ll change into your hiking gear and set out on your adventure. Though Sirena Station takes a little more effort to access, you are rewarded with some of the best terrain for appreciating the flora and fauna of Costa Rica, as Sirena Station is within the very heart of the park — the Corcovado ‘Plain’ or ‘Basin’.

Navigating Sirena Station’s roughly 5.5 km (nearly 3.5 mi) trail system will take you approximately three and half hours (3 hours and 30 minutes ) to complete; of course, the exact time depends upon how long you and your group would like to spend taking in the sights, such as Howler Monkeys and Spider Monkeys, Kinkajous, Scarlet Macaws and Chestnut-Headed Oropendolas, Army Ants (tread lightly), Jaguars, Guanacaste Trees (Elephant Ear Trees).

The three trails include the 2 km (1 mi) Guanacaste Trail, which takes approximately one hour to complete and is 600 m (almost half a mile) from the Sirena Ranger Station. The 2.5 km (1.6 mi) Espuvellas Trail, which takes approximately 2 hours to complete; and the 1 km (0.6 mi) Rio Claro Trail, which takes approximately 30 minutes to complete. Along the way, you’ll pass and walk through rivers, streams, beach terrain, dense forests, and more.

In addition to bringing shoes for both wet and dry terrain, it is also recommended that you bring a towel, swimsuit, hat, camera, binoculars, insect repellant, sunscreen (sun cream), and wear long (yet lightweight) clothing. Be prepared to enjoy your amazing wildlife adventure!