The last cave along this stretch of Rte 12 is the touristy Tham Nang Aen, about 18km from Tha Khaek.
The turn-off to the cave is indicated by a clear sign just past a left-hand bend 16km from the junction with Rte 13. The 700m-long track should be passable at all but the wettest times. The pitiful 'zoo' with caged deer and sun bears near the entrance will appeal to people who don't like animals.
