Tham means cave in Thai and Pha means something like monk / temple. So yes of course there is a cave with a temple in the this small range of limestone mountain that hat rises abruptly from the rice-fields about 10km from Nan town. Actually there are about 10 caves along a walking trail and it features a beautiful karst scenery with caves, cliffs and jungle. The entrance is about 200m from route 101 and the entrance is free. At the entrance is a information center, toilet and parking. The local park rangers are welcoming and helpful but they speak only Thai of course. Before you start walking be aware that the walking trail is not easy and sometimes even a bit difficult to go. And that the trail is actually not very well with direction signs. So you might take the offer of the park rangers to guide your.
Also notice that it is not advisable to do this walking trail in the raining season as the "path" will be slippery at many places. If you are a cave lover and have seen some caves before you might be a bit disappointed so I would visit only 2 caves; "Tham Phra" and "Bo Namthip Cave". At the latter is a great viewpoint. And take some water with you as the all walking trail might take about 2 - 3 hours. For more information about Nan province see Destination Travel Guide Nan.
|A small temple in a cave|
|Lake behind the mountain|
|Map of the walking trail|