2. Phu Kradueng National ParkPhu Kradueng Phu Kradueng National Park , in the Si Than sub-district of Amphoe Phu Kradueng, Loei Province, is one of the best known national parks of Thailand, with a high point of 1,316 m elevation at Khok Moei. It was proclaimed a national park on 23 November 1962, the second national park of Thailand after Khao Yai National Park.The park is closed to visitors during the rainy season . From Wikipedia, the free encyclopedia.
3. Phu Thap BuekLom Kao Phu Thap Boek is a 1,768 m high mountain in Phetchabun Province, Thailand near the border with Loei Province. It is in the Lom Kao District. From Wikipedia, the free encyclopedia.
4. Nam Nao National ParkNam Nao Nam Nao National Park is a protected area in Nam Nao District, Phetchabun Province in northern Thailand. It is 55 kilometres east of Lom Sak District. The park is a large forest still in its original state. It is filled with pineries, grasslands, and jungle. The park is home to more than 100 species of birds. The average annual temperature is 25 degrees Celsius. Between December and January temperatures drop to as low as 2-5 degrees Celsius. Nam Nao National Park is part of a Level I tiger conservation unit . It encompasses 1,000 square kilometres . From Wikipedia, the free encyclopedia.