This National Park was established in August 1991 and covers the large area of 78,125 rais in four different Amphoes including Takua Pa, Thai Mueang, Kapong and Mueang Phang Nga. The beautiful area features many well-known undulating mountains such as Khao Lak, Khao Saeng Thong, Khao Mai Kaeo and Khao Plai Bang To—all covered with the evergreen forest where you will be able to meet the rare and wild floras such as Yang Na (dipterocarpus alatus), Phayom (Shorea roxburghii), Malacca teak, Bunnak (Mesua ferria), Takhian Thong (Hopea odorata), Krabak (Anisoptera costata)