This is a national park covering 495.2 km2 and accounting for 4.5% of Jamaica's land surface. It gets its name from the mountain range that runs through it, as well as a common bird found in the park, the "John crow" or turkey vulture. The park is globally known for its biodiversity. This park is the last of 2 known habitats of the giant swallowtail butterfly, the largest butterfly in the Western Hemisphere, and is the habitat for the endangered Jamaican blackbird, the Jamaican boa, and the Jamaican hutia.
The park was designated a UNESCO World Heritage Site for mixed criteria in 2015.