Phra Tamnak Khao Kho is located on Khao Ya Mountain. The palace was constructed for the King on the occasion of his royal visit to observe the projects from his royal initiatives, as well as, to visit the people in Khao Kho district and the ones nearby. It is a concrete building in a semi-circle shape with 15 rooms overall making it different from other places. Visitors can ask officials for permission to visit the surroundings of the palace.
To get there: Take Highway 2196 until reaching Km. 29, continue for 4 kilometres and turn left to the palace. The route is quite steep, vehicles should be in good condition and possess high engine power. From Phetchabun to Khao Kho, take Highway No. 21, Phetchabun – Lom Sak to the Na Ngua T-junction, a distance of 13 kilometres. Turn left along Highway 2258 for another 30 kilometres. Otherwise, take Highway No. 12, Phitsanulok – Lom Sak to Km. 100. At Ban Camp Son, turn left into Khao Kho along Highway 2196 for 33 kilometres. The transport to Khao Kho should not be a coach because there are many curves along the route. The roads are quite narrow and steep. A pick-up or a van in good condition is more appropriate.
Tourists who travel by bus can rent a Song Thaeo at the entrance to Khao Kho in the Camp Son area. At Km. 100, there is a minibus provided from 8.00 a.m. – 5.00 p.m. Otherwise, a Song Thaeo can be rented at the Municipal Market in Mueang Phetchabun.