Kaeng Chet Khwae National Park is a national park of Thailand located in Phitsanulok Province. It covers 261 sq km. The national park comprises four forest parks namely Kaeng Chet Khwae Forest Park, Khwae Noi National Reserved Forest, Suan Miang National Reserved Forest and Khao Krayang National Reserved Forest.
Kaeng Chet Khwae National Park is home to a rich variety of wildlife. Among the animals that have been sighted here includes wild boar, langur, porcupine, monitor lizard and various types of birds, snakes and fish species. It is also the home of endangered species including the Malayan tiger and Asiatic black bear.