This Thailand’s most extensive national park occupies a largely unexplored area of 2,915 square kilometers. where there are a plenty of water activities such as cruising along the reservoir or fishing. With the large area of forests, camping and trekking are also popular activities here. The highest peak called Panerntung is the spot of the most picturesque scene which is the sea of fog during rainy and winter season. Kaeng Krachan is also famous for its natural diversity and beautiful waterfalls. Visitors can enjoy seeing rare type of birds and millions of butterflies during summer.