The Phu King Fah monastery is quite remote. It's up to you to judge whether it's worth the journey to get there and in particular driving the 8 kilometers of track that leads there if you go up directly by car. There is also a possibility to access it by stairs that climb from the plain but then choose your destination point carefully on your GPS because if you choose the temple, it will guide you to the monastery and not the starting point of the stairs.
Phu King Fah Monastery is a temple and when you visit a temple in Thailand there are some rules to know and follow :