This is regarded as a most beautiful waterfall, located in Tambon Sila Phet, Amphoe Pua. Doi Phu Kha National Park lies to the north of Nan along Highway #1080 in Nong Bua district and with a further distance of 25 kms on the route to Bo Klua district. The park is named after the tallest peak in the park boundaries, Doi Phuka, which sits at 1980 meters (6140 feet) above sea level. It is the northern Thailand's largest national park covering 1,704 square kilometers.

The terrain is mainly forested lands on limestone mountain ranges, the source of several streams which merge into the Nan River. The elevation is about 1,900 meters above sea level. Here are found several rare and near - extinct flora, particularly the Chomphu Phukha (bretschneidera ninensis hems1.), whose pink flowers are in full bloom during February. In the morning, a sea of mist can be seen drifting across the valley. There are also several scenic waterfalls and the Wa brook waiting tourists who like to Alternatively, tourists may choose to utlize the accommodation services in the park.