Walking up to Khao Chang Puak you must contact Officer's Tong Pha Phum National Park because there is a limited number of tourists was only 60 people each day.
If you want to travel should check the news of the park before, because in the summer since February had dry air. The trees shed leaves, dry leaves may be simple forest fire. The Park may close the way to travel.
You should not walking up to Khao Chang Puak by yourself without contact officer, because it may be dangerous.
This trip is not suitable for those with healthy body is not ready to walking long distances with knee problems or a fear of heights