Thung Salaeng Luang National Park is known for its vast grasslands, pine forests, and diverse wildlife, making it one of Thailand's prime spots for outdoor activities such as trekking, camping, and birdwatching. Located across Phitsanulok and Phetchabun provinces, it features notable attractions including the savanna-like Thung Nang Phaya field, Kaeng Wang Nam Yen rapids, and beautiful wild orchids in the pine forests.