In 1959, 14 important forests were proposed for inclusion in national parks, among them the once vast and malarial Thung Salaeng Luang. Eventually, in 1972, 1,262 square kilometers were declared the Thung Salaeng Luang National Park.
Composing the park are hills of limestone, slate and hardpan between altitudes of 300 to 1,028 meters. A long north-south stretch of limestone hills runs down the western section of the park. Thung Salaeng Luang, the origin of numerous streams, is inlaid with meadows, especially in its southern area. Mixed species deciduous forest predominates, with lowland scrub and tropical broadleaved evergreen covering smaller areas.
Nam Tok Kaeng Sopha
Thung Salaeng Luang
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