Located in Sri Sawat, Sai Yok and Amphur Thong Pha Phum, Khuean Srinagarindra is a beautiful national park features with hot springs, waterfalls, caves, an island-studded reservoir and abundant wildlife. The park was designated in on 23 December, 1981, and has a total area of 1,532 km2 (953.500 rai or 1,496,800.000 square meters).

The mountains of the park are covered in evergreen forest which is the origin of Kwae Yai River. The park is nicely cold all the year round. Abundant wildlife includes leopard cat, civets, slow lories, squirrels and bats.

Birds found in the Park include kingfishers, parakeets, orioles, beaters and barbets. The north side of the reservoir is an important fishing area for locals.