Before revision: They include: Apo Reef Balinsasayao Twin Lakes Natural Park Bicol Natural Park Bongsanglay Natural Park Bulusan Volcano Natural Park Kalbario-Patapat Natural Park Lake Danao (Leyte) Mahagnao Volcano Mayon Volcano Natural Park Mount Apo Mount Balatukan Mount Guiting-Guiting Mount Inayawan Range Natural Park Mount Isarog Kalatungan Mountain Range Kanlaon Kitanglad Mountain Range Mount Malindang Northern Negros Natural Park Northern Sierra Madre Natural Park Northwest Panay Peninsula Natural Park Pasonanca Natural Park Samar Island Natural Park Sibalom Natural Park Tubbataha Reef (also a World Heritage Site Switzerland A view in the Swiss National Park.
After revision: )They include: Apo Reef Balinsasayao Twin Lakes Natural Park Bicol Natural Park Bongsanglay Natural Park Bulusan Volcano Natural Park Kalbario-Patapat Natural Park Lake Danao (Leyte) Mahagnao Volcano Mayon Volcano Natural Park Mount Apo Mount Balatukan Mount Guiting-Guiting Mount Inayawan Range Natural Park Mount Isarog Kalatungan Mountain Range Kanlaon Kitanglad Mountain Range Mount Malindang Northern Negros Natural Park Northern Sierra Madre Natural Park Northwest Panay Peninsula Natural Park Pasonanca Natural Park Samar Island Natural Park Sibalom Natural Park Tubbataha Reef (also a World Heritage Site Switzerland A view in the Swiss National Park.