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Sirena Biological Station
Along the southwestern coast of the Osa Peninsula, inside of Corcovado National Park, is where you'll find the Sirena Biological Station (Estacion Biologica Sirena). Unquestionably one of the most rugged and extreme areas in the country, Sirena provides the ideal location to witness amazing biodiversity. All it takes is a phone call to the park headquarters in Puerto Jimenez to reserve your spot in this amazing wilderness.