“The foothill of Pha Chu is the location of Si Nan National Park’s office. Here in winter, the view of the sea of fog could be seen from the cliff top, while the snaking Nan River can also be seen down below at the rim of the forest when the fog lifts. ”
It is high cliff in Tambon Sisaket at Si Nan National Park about 20 kilometers away from Amphoe Na Muen and 80 kilometers to the south of Nan provincial town. With a flag pole erected on top and a rope hanging down to its foot, the flag rope here is a very long one. Guesthouses for visitors are also available here.