The area of Chaloem Phrakiat Thai Prachan National Park is a part of National reserved forest that located on the left bank of Phachi river in Yang Huk sub district, Pak Tho district, Tanaosi sub district and Tha Khoei sub district, Suan Phueng district, Ban Kha sub district and Ban Bueng sub district, Ban Kha district, Ratchaburi province.
In the past this area was used to be an important strategy zone under the influence of the communist party of Thailand. There were many battles between the government officers and communist terrorists to lead to the lost of life and damaged property. Later the government could control the situation and brought about the serenity into this area. Then the government planed to recover forest and wildlife in deteriorated parts in accordance with the intention of Her Majesty Queen Sirikit and encouraged local people career development for better living.