This park protects several endangered species like cats, big reptiles and birds. The park has three entry points: La Leona, on the southeast corner near Carate; Los Patos, further north; and San Pedrillo, 18 km south of Drake Bay. You can hike or fly into the park headquarters at Sirena, a large research station midway between La Leona and San Pedrillo. There's also a remote ranger station at Los Planes, on the northern border midway between San Pedrillo and Los Patos. All are linked by trails.