The bridge is at the left of the sitting Buddha. At its end, you will come to a path that climbs the mountain and leads to 2 caves, Tham Yai, the large cave whose descent via a long ladder to enter can be quite impressive and Tham Noï and also Pa Singh, a viewpoint that dominates the fields crossed by the bamboo bridge leading to the Buddha. It worths going up there even if the climb is a bit hard and good shoes advised. Also take a flashlight to visit the caves. I also recommend you to make a stop at Wat Phra That In Kwaen 4 kilometers on the road back to Phrae.
Wat Na Khu Ha is a temple and when you visit a temple in Thailand there are some rules to know and follow :